fix(Scripts/BlackwingLair): Nefarian (#10536)

data/sql/updates/pending_db_world/rev_1643946548773673200.sql

@@ -0,0 +1,53 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1643946548773673200');
+
+DELETE FROM `spell_script_names` WHERE `ScriptName` IN ('spell_class_call_handler', 'spell_corrupted_totems', 'spell_class_call_polymorph', 'aura_class_call_wild_magic', 'aura_class_call_siphon_blessing', 'aura_class_call_berserk', 'spell_shadowblink');
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(23410, 'spell_class_call_handler'), -- Mage
+(23397, 'spell_class_call_handler'), -- Warrior
+(23398, 'spell_class_call_handler'), -- Druid
+(23401, 'spell_class_call_handler'), -- Priest
+(23418, 'spell_class_call_handler'), -- Paladin
+(23425, 'spell_class_call_handler'), -- Shaman
+(23427, 'spell_class_call_handler'), -- Warlock
+(23436, 'spell_class_call_handler'), -- Hunter
+(23414, 'spell_class_call_handler'), -- Rogue
+(23424, 'spell_corrupted_totems'),
+(23603, 'spell_class_call_polymorph'),
+(23410, 'aura_class_call_wild_magic'),
+(23418, 'aura_class_call_siphon_blessing'),
+(23397, 'aura_class_call_berserk'),
+(22664, 'spell_shadowblink');
+
+DELETE FROM `spell_target_position` WHERE `ID` IN (22668, 22669, 22670, 22671, 22672, 22673, 22674, 22675, 22676);
+INSERT INTO `spell_target_position` (`ID`, `EffectIndex`, `MapID`, `PositionX`, `PositionY`, `PositionZ`, `Orientation`) VALUES
+(22668, 0, 469, -7581.11, -1216.19, 476.800, 0),
+(22669, 0, 469, -7561.54, -1244.01, 476.800, 0),
+(22670, 0, 469, -7542.47, -1191.92, 476.355, 0),
+(22671, 0, 469, -7538.63, -1273.64, 476.800, 0),
+(22672, 0, 469, -7524.36, -1219.12, 476.794, 0),
+(22673, 0, 469, -7506.58, -1165.26, 476.796, 0),
+(22674, 0, 469, -7500.70, -1249.89, 476.798, 0),
+(22675, 0, 469, -7486.36, -1194.32, 476.800, 0),
+(22676, 0, 469, -7469.93, -1227.93, 476.777, 0);
+
+DELETE FROM `waypoint_data` WHERE `id` = 11583;
+INSERT INTO `waypoint_data` (`id`, `point`, `position_x`, `position_y`, `position_z`, `orientation`, `delay`, `move_type`, `action`, `action_chance`, `wpguid`) VALUES
+(11583, 1, -7348.85, -1495.13, 552.515, 2.190162, 0, 2, 0, 100, 0),
+(11583, 2, -7348.54, -1494.18, 552.515, 2.190162, 0, 2, 0, 100, 0),
+(11583, 3, -7392.87, -1475.70, 544.619, 2.190162, 0, 2, 0, 100, 0),
+(11583, 4, -7423.42, -1437.66, 535.314, 2.190162, 0, 2, 0, 100, 0),
+(11583, 5, -7445.25, -1402.11, 523.842, 2.190162, 0, 2, 0, 100, 0),
+(11583, 6, -7460.38, -1372.60, 513.092, 2.190162, 0, 2, 0, 100, 0),
+(11583, 7, -7479.81, -1331.76, 498.759, 2.190162, 0, 2, 0, 100, 0),
+(11583, 8, -7492.58, -1295.35, 488.091, 2.190162, 0, 2, 0, 100, 0),
+(11583, 9, -7502.00, -1256.50, 476.758, 2.174731, 0, 2, 0, 100, 0);
+
+UPDATE `creature_template_movement` SET `Flight` = 2 WHERE `CreatureID` = 11583;
+
+UPDATE `creature_template` SET `unit_flags` = `unit_flags`|2|256|131072|33554432, `flags_extra` = `flags_extra`|128|256 WHERE `entry` = 14667;
+
+UPDATE `creature_template` SET `unit_flags` = `unit_flags`|131072, `flags_extra` = `flags_extra`|1|256|16384|4194304, `mechanic_immune_mask`=`mechanic_immune_mask`|1|2|4|8|16|128|256|512|1024|2048|4096|8192|16384|65536|131072|4194304|8388608|33554432|67108864|536870912 , `ScriptName` = 'npc_corrupted_totem' WHERE `entry` IN (14662, 14663, 14664, 14666);
+
+UPDATE `creature_template` SET `mingold` = 0, `maxgold` = 0 WHERE `entry` = 14668;
+
+DELETE FROM `creature_loot_template` WHERE `entry` = 11583 AND `Item` = 19364;

src/server/game/Spells/Spell.cpp

@@ -6377,6 +6377,14 @@ SpellCastResult Spell::CheckCast(bool strict)
                     }
                     break;
                 }
+            case SPELL_AURA_MOD_SHAPESHIFT:
+                {
+                    if (m_caster && m_caster->HasAura(23397)) // Nefarian Class Call (Warrior): Berserk -- Nefertum: I don't really like this but I didn't find another way.
+                    {
+                        return SPELL_FAILED_NOT_SHAPESHIFT;
+                    }
+                    break;
+                }
             default:
                 break;
         }

src/server/game/Spells/SpellEffects.cpp

@@ -1590,6 +1590,19 @@ void Spell::EffectHeal(SpellEffIndex /*effIndex*/)
             addhealth = unitTarget->SpellHealingBonusTaken(caster, m_spellInfo, addhealth, HEAL);
         }
 
+        // Implemented this way as there is no other way to do it currently (that I know :P)...
+        if (caster->ToPlayer() && caster->ToPlayer()->HasAura(23401)) // Nefarian Corrupted Healing (priest)
+        {
+            if (m_spellInfo->Effects[EFFECT_0].ApplyAuraName != SPELL_AURA_PERIODIC_HEAL ||
+                m_spellInfo->Effects[EFFECT_1].ApplyAuraName != SPELL_AURA_PERIODIC_HEAL ||
+                m_spellInfo->Effects[EFFECT_2].ApplyAuraName != SPELL_AURA_PERIODIC_HEAL)
+            {
+                m_damage = 0;
+                caster->CastSpell(unitTarget, 23402, false); // Nefarian Corrupted Healing Periodic Damage effect.
+                return;
+            }
+        }
+
         m_damage -= addhealth;
     }
 }

src/server/game/Spells/SpellInfoCorrections.cpp

@@ -4154,6 +4154,20 @@ void SpellMgr::LoadSpellInfoCorrections()
         spellInfo->Effects[EFFECT_1].SpellClassMask[1] = 0x00020000;
     });
 
+    // Nefarian: Shadowbolt, Shadow Command
+    ApplySpellFix({ 22667, 22677 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->RangeEntry = sSpellRangeStore.LookupEntry(152); // 150 yards
+    });
+
+    // Shadowbolt Volley
+    ApplySpellFix({ 22665 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->RangeEntry = sSpellRangeStore.LookupEntry(152); // 150 yards
+        spellInfo->Effects[EFFECT_0].RadiusEntry = sSpellRadiusStore.LookupEntry(41); // 150 yards
+        spellInfo->AttributesEx2 |= SPELL_ATTR2_IGNORE_LINE_OF_SIGHT;
+    });
+
     // Manastorm
     ApplySpellFix({ 21097 }, [](SpellInfo* spellInfo)
     {
@@ -4180,6 +4194,12 @@ void SpellMgr::LoadSpellInfoCorrections()
         spellInfo->AuraInterruptFlags |= AURA_INTERRUPT_FLAG_CHANGE_MAP;
     });
 
+    // Improved Blessing Protection (Nefarian Class Call)
+    ApplySpellFix({ 23415 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->Effects[EFFECT_0].TargetA = SpellImplicitTargetInfo(TARGET_DEST_TARGET_ENEMY);
+    });
+
     // Bestial Wrath
     ApplySpellFix({ 19574 }, [](SpellInfo* spellInfo)
     {

src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/blackwing_lair.h

@@ -99,4 +99,6 @@ inline AI* GetBlackwingLairAI(T* obj)
     return GetInstanceAI<AI>(obj, BWLScriptName);
 }
 
+#define RegisterBlackwingLairCreatureAI(ai_name) RegisterCreatureAIWithFactory(ai_name, GetBlackwingLairAI)
+
 #endif

src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/boss_nefarian.cpp

@@ -22,30 +22,37 @@
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
 #include "ScriptedGossip.h"
+#include "SpellScript.h"
 #include "TemporarySummon.h"
 #include "blackwing_lair.h"
+#include "TaskScheduler.h"
 
 enum Events
 {
     // Victor Nefarius
     EVENT_SPAWN_ADD = 1,
-    EVENT_SHADOW_BOLT          = 2,
+    EVENT_START_EVENT,
-    EVENT_FEAR                 = 3,
+    EVENT_SHADOW_BOLT,
-    EVENT_MIND_CONTROL         = 4,
+    EVENT_FEAR,
+    EVENT_SILENCE,
+    EVENT_MIND_CONTROL,
+    EVENT_SHADOWBLINK,
     // Nefarian
-    EVENT_SHADOWFLAME          = 5,
+    EVENT_SHADOWFLAME,
-    EVENT_VEILOFSHADOW         = 6,
+    EVENT_VEILOFSHADOW,
-    EVENT_CLEAVE               = 7,
+    EVENT_CLEAVE,
-    EVENT_TAILLASH             = 8,
+    EVENT_TAILLASH,
-    EVENT_CLASSCALL            = 9,
+    EVENT_CLASSCALL,
     // UBRS
-    EVENT_CHAOS_1              = 10,
+    EVENT_CHAOS_1,
-    EVENT_CHAOS_2              = 11,
+    EVENT_CHAOS_2,
-    EVENT_PATH_2               = 12,
+    EVENT_PATH_2,
-    EVENT_PATH_3               = 13,
+    EVENT_PATH_3,
-    EVENT_SUCCESS_1            = 14,
+    EVENT_SUCCESS_1,
-    EVENT_SUCCESS_2            = 15,
+    EVENT_SUCCESS_2,
-    EVENT_SUCCESS_3            = 16,
+    EVENT_SUCCESS_3,
+
+    ACTION_RESET = 0
 };
 
 enum Says
@@ -60,7 +67,7 @@ enum Says
     SAY_GAMESBEGIN_2           = 13,
 
     // Nefarian
-    SAY_RANDOM                 = 0,
+    SAY_INTRO                  = 0,
     SAY_RAISE_SKELETONS        = 1,
     SAY_SLAY                   = 2,
     SAY_DEATH                  = 3,
@@ -86,7 +93,8 @@ enum Gossip
 enum Paths
 {
     NEFARIUS_PATH_2            = 1379671,
-    NEFARIUS_PATH_3            = 1379672
+    NEFARIUS_PATH_3            = 1379672,
+    NEFARIAN_PATH              = 11583
 };
 
 enum GameObjects
@@ -104,6 +112,10 @@ enum Creatures
     NPC_BLACK_DRAKANOID        = 14265,
     NPC_CHROMATIC_DRAKANOID    = 14302,
     NPC_BONE_CONSTRUCT         = 14605,
+    NPC_TOTEM_C_FIRE_NOVA      = 14662,
+    NPC_TOTEM_C_STONESKIN      = 14663,
+    NPC_TOTEM_C_HEALING        = 14664,
+    NPC_TOTEM_C_WINDFURY       = 14666,
     // UBRS
     NPC_GYTH                   = 10339
 };
@@ -117,8 +129,10 @@ enum Spells
     // BWL Spells
     SPELL_SHADOWBOLT                = 22677,
     SPELL_SHADOWBOLT_VOLLEY         = 22665,
+    SPELL_SILENCE                   = 22666,
     SPELL_SHADOW_COMMAND            = 22667,
     SPELL_FEAR                      = 22678,
+    SPELL_SHADOWBLINK               = 22664,
 
     SPELL_NEFARIANS_BARRIER         = 22663,
 
@@ -126,7 +140,7 @@ enum Spells
     SPELL_SHADOWFLAME_INITIAL       = 22992,
     SPELL_SHADOWFLAME               = 22539,
     SPELL_BELLOWINGROAR             = 22686,
-    SPELL_VEILOFSHADOW          = 7068,
+    SPELL_VEILOFSHADOW              = 22687,
     SPELL_CLEAVE                    = 20691,
     SPELL_TAILLASH                  = 23364,
 
@@ -134,17 +148,23 @@ enum Spells
     SPELL_WARRIOR                   = 23397,     // beserk
     SPELL_DRUID                     = 23398,     // cat form
     SPELL_PRIEST                    = 23401,     // corrupted healing
-    SPELL_PALADIN               = 23418,     // syphon blessing
+    SPELL_PALADIN                   = 23418,     // siphon blessing
     SPELL_SHAMAN                    = 23425,     // totems
     SPELL_WARLOCK                   = 23427,     // infernals
     SPELL_HUNTER                    = 23436,     // bow broke
     SPELL_ROGUE                     = 23414,     // Paralise
-    SPELL_DEATH_KNIGHT          = 49576      // Death Grip
+    SPELL_DEATH_KNIGHT              = 49576,     // Death Grip
+    SPELL_ROOT_SELF                 = 17507,
 
-                                  // 19484
+    // Class Call effects
-                                  // 22664
+    SPELL_POLYMORPH                 = 23603,
-                                  // 22674
+    SPELL_BLESSING_PROTECTION       = 23415,
-                                  // 22666
+    SPELL_SUMMON_INFERNALS          = 23426,
+    SPELL_WARRIOR_BERSERK           = 2458,
+    SPELL_CORRUPTED_FIRE_NOVA_TOTEM = 23419,
+    SPELL_CORRUPTED_STONESKIN_TOTEM = 23420,
+    SPELL_CORRUPTED_HEALING_TOTEM   = 23422,
+    SPELL_CORRUPTED_WINDFURY_TOTEM  = 23423
 };
 
 Position const DrakeSpawnLoc[2] = // drakonid
@@ -153,11 +173,7 @@ Position const DrakeSpawnLoc[2] = // drakonid
     {-7514.598633f, -1150.448853f, 476.796570f, 3.0f}
 };
 
-Position const NefarianLoc[2] =
+Position const NefarianSpawn = { -7348.849f, -1495.134f, 552.5152f, 1.798f };
-{
-    {-7449.763672f, -1387.816040f, 526.783691f, 3.0f}, // nefarian spawn
-    {-7535.456543f, -1279.562500f, 476.798706f, 3.0f}  // nefarian move
-};
 
 uint32 const Entry[5] = {NPC_BRONZE_DRAKANOID, NPC_BLUE_DRAKANOID, NPC_RED_DRAKANOID, NPC_GREEN_DRAKANOID, NPC_BLACK_DRAKANOID};
 
@@ -175,7 +191,7 @@ public:
 
         void Initialize()
         {
-            SpawnedAdds = 0;
+            KilledAdds = 0;
         }
 
         void Reset() override
@@ -193,36 +209,42 @@ public:
                 me->SetFaction(FACTION_FRIENDLY);
                 me->SetStandState(UNIT_STAND_STATE_SIT_HIGH_CHAIR);
                 me->RemoveAura(SPELL_NEFARIANS_BARRIER);
+                me->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE);
             }
         }
 
-        bool CanAIAttack(Unit const*  /*target*/) const override { return me->IsVisible(); }
-
         void JustReachedHome() override
         {
             Reset();
         }
 
-        void BeginEvent(Player* target)
+        void DoAction(int32 action) override
+        {
+            if (action == ACTION_RESET)
+            {
+                me->RemoveAura(SPELL_ROOT_SELF);
+                summons.DespawnAll();
+            }
+        }
+
+        void BeginEvent()
         {
             _EnterCombat();
 
             Talk(SAY_GAMESBEGIN_2);
 
-            me->SetFaction(FACTION_DRAGONFLIGHT_BLACK);
-            me->SetUInt32Value(UNIT_NPC_FLAGS, 0);
             DoCast(me, SPELL_NEFARIANS_BARRIER);
-            me->SetStandState(UNIT_STAND_STATE_STAND);
+            SetCombatMovement(false);
-            me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_PC);
+            AttackStart(SelectTarget(SelectTargetMethod::Random, 0, 200.f, true));
-            AttackStart(target);
+            events.ScheduleEvent(EVENT_SHADOWBLINK, 500);
             events.ScheduleEvent(EVENT_SHADOW_BOLT, urand(3000, 10000));
             events.ScheduleEvent(EVENT_FEAR, urand(10000, 20000));
+            events.ScheduleEvent(EVENT_SILENCE, urand(20000, 25000));
             events.ScheduleEvent(EVENT_MIND_CONTROL, urand(30000, 35000));
             events.ScheduleEvent(EVENT_SPAWN_ADD, 10000);
         }
 
         void SummonedCreatureDies(Creature* summon, Unit* /*killer*/) override
-
         {
             if (summon->GetEntry() != NPC_NEFARIAN)
             {
@@ -230,10 +252,11 @@ public:
                 summon->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE);
                 summon->SetReactState(REACT_PASSIVE);
                 summon->SetStandState(UNIT_STAND_STATE_DEAD);
+                ++KilledAdds;
             }
         }
 
-        void JustSummoned(Creature* /*summon*/) override { }
+        void JustSummoned(Creature* summon) override { summons.Summon(summon); }
 
         void SetData(uint32 type, uint32 data) override
         {
@@ -292,6 +315,9 @@ public:
                         case EVENT_PATH_3:
                             me->GetMotionMaster()->MovePath(NEFARIUS_PATH_3, false);
                             break;
+                        case EVENT_START_EVENT:
+                            BeginEvent();
+                            break;
                         default:
                             break;
                     }
@@ -300,7 +326,7 @@ public:
             }
 
             // Only do this if we haven't spawned nefarian yet
-            if (UpdateVictim() && SpawnedAdds <= 42)
+            if (UpdateVictim() && KilledAdds <= 42)
             {
                 events.Update(diff);
 
@@ -315,11 +341,10 @@ public:
                             switch (urand(0, 1))
                             {
                                 case 0:
-                                    DoCastVictim(SPELL_SHADOWBOLT_VOLLEY);
+                                    DoCastAOE(SPELL_SHADOWBOLT_VOLLEY);
                                     break;
                                 case 1:
-                                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 40, true))
+                                    DoCastRandomTarget(SPELL_SHADOWBOLT, 0, 150.f);
-                                        DoCast(target, SPELL_SHADOWBOLT);
                                     break;
                             }
                             DoResetThreat();
@@ -330,11 +355,19 @@ public:
                                 DoCast(target, SPELL_FEAR);
                             events.ScheduleEvent(EVENT_FEAR, urand(10000, 20000));
                             break;
+                        case EVENT_SILENCE:
+                            DoCastRandomTarget(SPELL_SILENCE, 0, 150.f);
+                            events.ScheduleEvent(EVENT_SILENCE, urand(14000, 23000));
+                            break;
                         case EVENT_MIND_CONTROL:
                             if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 40, true))
                                 DoCast(target, SPELL_SHADOW_COMMAND);
                             events.ScheduleEvent(EVENT_MIND_CONTROL, urand(30000, 35000));
                             break;
+                        case EVENT_SHADOWBLINK:
+                            DoCastSelf(SPELL_SHADOWBLINK);
+                            events.ScheduleEvent(EVENT_SHADOWBLINK, urand(30000, 40000));
+                            break;
                         case EVENT_SPAWN_ADD:
                             for (uint8 i=0; i<2; ++i)
                             {
@@ -349,19 +382,20 @@ public:
                                     dragon->AI()->AttackStart(me->GetVictim());
                                 }
 
-                                if (++SpawnedAdds >= 42)
+                                if (KilledAdds >= 42)
                                 {
-                                    if (Creature* nefarian = me->SummonCreature(NPC_NEFARIAN, NefarianLoc[0]))
+                                    if (Creature* nefarian = me->SummonCreature(NPC_NEFARIAN, NefarianSpawn))
                                     {
                                         nefarian->setActive(true);
                                         nefarian->SetCanFly(true);
                                         nefarian->SetDisableGravity(true);
-                                        nefarian->CastSpell(nullptr, SPELL_SHADOWFLAME_INITIAL);
+                                        nefarian->GetMotionMaster()->MovePath(NEFARIAN_PATH, false);
-                                        nefarian->GetMotionMaster()->MovePoint(1, NefarianLoc[1]);
                                     }
                                     events.CancelEvent(EVENT_MIND_CONTROL);
                                     events.CancelEvent(EVENT_FEAR);
                                     events.CancelEvent(EVENT_SHADOW_BOLT);
+                                    events.CancelEvent(EVENT_SILENCE);
+                                    DoCastSelf(SPELL_ROOT_SELF, true);
                                     me->SetVisible(false);
                                     return;
                                 }
@@ -387,12 +421,16 @@ public:
 
                 CloseGossipMenuFor(player);
                 Talk(SAY_GAMESBEGIN_1);
-                BeginEvent(player);
+                events.ScheduleEvent(EVENT_START_EVENT, 4000);
+                me->SetFaction(FACTION_DRAGONFLIGHT_BLACK);
+                me->SetUInt32Value(UNIT_NPC_FLAGS, 0);
+                me->SetStandState(UNIT_STAND_STATE_STAND);
+                me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_PC | UNIT_FLAG_NOT_SELECTABLE);
             }
         }
 
         private:
-            uint32 SpawnedAdds;
+            uint32 KilledAdds;
     };
 
     CreatureAI* GetAI(Creature* creature) const override
@@ -401,14 +439,9 @@ public:
     }
 };
 
-class boss_nefarian : public CreatureScript
+struct boss_nefarian : public BossAI
 {
-public:
+    boss_nefarian(Creature* creature) : BossAI(creature, DATA_NEFARIAN), _introDone(false)
-    boss_nefarian() : CreatureScript("boss_nefarian") { }
-
-    struct boss_nefarianAI : public BossAI
-    {
-        boss_nefarianAI(Creature* creature) : BossAI(creature, DATA_NEFARIAN)
     {
         Initialize();
     }
@@ -416,30 +449,30 @@ public:
     void Initialize()
     {
         Phase3 = false;
-            canDespawn = false;
-            DespawnTimer = 30000;
     }
 
     void Reset() override
     {
         Initialize();
+        me->SetReactState(REACT_PASSIVE);
+        me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE);
+        me->SetCanFly(true);
+        me->SetDisableGravity(true);
+        if (_introDone) // already in combat, reset properly.
+        {
+            _Reset();
+            if (Unit* victor = me->FindNearestCreature(NPC_VICTOR_NEFARIUS, 200.f, true))
+            {
+                if (victor->ToCreature() && victor->ToCreature()->AI())
+                {
+                    victor->ToCreature()->AI()->DoAction(ACTION_RESET);
+                }
+            }
+            me->DespawnOrUnsummon();
+        }
     }
 
-        void JustReachedHome() override
+    void EnterCombat(Unit* /*who*/) override {}
-        {
-            canDespawn = true;
-        }
-
-        void EnterCombat(Unit* /*who*/) override
-        {
-            events.ScheduleEvent(EVENT_SHADOWFLAME, 12000);
-            events.ScheduleEvent(EVENT_FEAR, urand(25000, 35000));
-            events.ScheduleEvent(EVENT_VEILOFSHADOW, urand(25000, 35000));
-            events.ScheduleEvent(EVENT_CLEAVE, 7000);
-            //events.ScheduleEvent(EVENT_TAILLASH, 10000);
-            events.ScheduleEvent(EVENT_CLASSCALL, urand(30000, 35000));
-            Talk(SAY_RANDOM);
-        }
 
     void JustDied(Unit* /*killer*/) override
     {
@@ -450,50 +483,70 @@ public:
     void KilledUnit(Unit* victim) override
     {
         if (rand32() % 5)
+        {
             return;
+        }
 
         Talk(SAY_SLAY, victim);
     }
 
     void MovementInform(uint32 type, uint32 id) override
     {
-            if (type != POINT_MOTION_TYPE)
+        if (type != WAYPOINT_MOTION_TYPE)
-                return;
-
-            if (id == 1)
         {
+            return;
+        }
+
+        if (id == 3)
+        {
+            Talk(SAY_INTRO);
+        }
+
+        if (id == 5)
+        {
+            DoCastAOE(SPELL_SHADOWFLAME_INITIAL);
+        }
+    }
+
+    void PathEndReached(uint32 /*pathId*/) override
+    {
+        me->HandleEmoteCommand(EMOTE_ONESHOT_LAND);
+        me->SetCanFly(false);
+        me->SetDisableGravity(false);
+        Position land = me->GetPosition();
+        me->GetMotionMaster()->MoveLand(0, land, 8.5f);
+        me->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE);
+        me->GetMotionMaster()->MoveIdle();
+
+        me->SetReactState(REACT_AGGRESSIVE);
         DoZoneInCombat();
         if (me->GetVictim())
+        {
             AttackStart(me->GetVictim());
         }
+
+        events.ScheduleEvent(EVENT_SHADOWFLAME, 12000);
+        events.ScheduleEvent(EVENT_FEAR, urand(25000, 35000));
+        events.ScheduleEvent(EVENT_VEILOFSHADOW, urand(25000, 35000));
+        events.ScheduleEvent(EVENT_CLEAVE, 7000);
+        events.ScheduleEvent(EVENT_TAILLASH, 10000);
+        events.ScheduleEvent(EVENT_CLASSCALL, urand(30000, 35000));
+        _introDone = true;
     }
 
     void UpdateAI(uint32 diff) override
     {
-            if (canDespawn && DespawnTimer <= diff)
-            {
-                instance->SetBossState(DATA_NEFARIAN, FAIL);
-
-                std::list<Creature*> constructList;
-                me->GetCreatureListWithEntryInGrid(constructList, NPC_BONE_CONSTRUCT, 500.0f);
-                for (std::list<Creature*>::const_iterator itr = constructList.begin(); itr != constructList.end(); ++itr)
-                    (*itr)->DespawnOrUnsummon();
-            }
-            else
-            {
-                DespawnTimer -= diff;
-            }
-
         if (!UpdateVictim())
+        {
             return;
-
+        }
-            if (canDespawn)
-                canDespawn = false;
 
         events.Update(diff);
 
         if (me->HasUnitState(UNIT_STATE_CASTING))
+        {
             return;
+        }
 
         while (uint32 eventId = events.ExecuteEvent())
         {
@@ -522,6 +575,7 @@ public:
                     break;
                 case EVENT_CLASSCALL:
                     if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 100.0f, true))
+                    {
                         switch (target->getClass())
                         {
                             case CLASS_MAGE:
@@ -562,18 +616,27 @@ public:
                                 break;
                             case CLASS_DEATH_KNIGHT:
                                 Talk(SAY_DEATH_KNIGHT);
-                                DoCast(me, SPELL_DEATH_KNIGHT);
+                                me->GetMap()->DoForAllPlayers([&](Player* p)
+                                {
+                                    if (!p->IsGameMaster())
+                                    {
+                                        me->CastSpell(p, SPELL_DEATH_KNIGHT, true);
+                                    }
+                                });
                                 break;
                             default:
                                 break;
                         }
+                    }
                     events.ScheduleEvent(EVENT_CLASSCALL, urand(30000, 35000));
                     break;
             }
 
             if (me->HasUnitState(UNIT_STATE_CASTING))
+            {
                 return;
             }
+        }
 
         // Phase3 begins when health below 20 pct
         if (!Phase3 && HealthBelowPct(20))
@@ -581,6 +644,7 @@ public:
             std::list<Creature*> constructList;
             me->GetCreatureListWithEntryInGrid(constructList, NPC_BONE_CONSTRUCT, 500.0f);
             for (std::list<Creature*>::const_iterator itr = constructList.begin(); itr != constructList.end(); ++itr)
+            {
                 if ((*itr) && !(*itr)->IsAlive())
                 {
                     (*itr)->Respawn();
@@ -589,6 +653,7 @@ public:
                     (*itr)->SetReactState(REACT_AGGRESSIVE);
                     (*itr)->SetStandState(UNIT_STAND_STATE_STAND);
                 }
+            }
 
             Phase3 = true;
             Talk(SAY_RAISE_SKELETONS);
@@ -597,20 +662,479 @@ public:
         DoMeleeAttackIfReady();
     }
 
-    private:
+private:
-        bool canDespawn;
-        uint32 DespawnTimer;
     bool Phase3;
-    };
+    bool _introDone;
+};
 
-    CreatureAI* GetAI(Creature* creature) const override
+enum TotemSpells
+{
+    AURA_AVOIDANCE = 23198,
+
+    SPELL_STONESKIN_EFFECT = 10405,
+    SPELL_HEALING_EFFECT   = 10461,
+    SPELL_WINDFURY_EFFECT  = 8515,
+    SPELL_FIRE_NOVA_EFFECT = 11307
+};
+
+struct npc_corrupted_totem : public ScriptedAI
+{
+    npc_corrupted_totem(Creature* creature) : ScriptedAI(creature)
     {
-        return GetBlackwingLairAI<boss_nefarianAI>(creature);
+        uint32 hp = urand(200, 2000);
+        me->SetMaxHealth(hp);
+        me->SetHealth(hp);
+        _auraAdded = false;
+        Reset();
+    }
+
+    void Reset() override
+    {
+        me->AddUnitState(UNIT_STATE_ROOT);
+        if (!me->HasAura(SPELL_ROOT_SELF))
+        {
+            me->AddAura(SPELL_ROOT_SELF, me);
+        }
+
+        me->AddAura(AURA_AVOIDANCE, me);
+        _scheduler.CancelAll();
+    }
+
+    void SetAura(bool apply) const
+    {
+        uint32 spellId = 0;
+
+        switch (me->GetEntry())
+        {
+            case NPC_TOTEM_C_STONESKIN:
+                spellId = SPELL_STONESKIN_EFFECT;
+                break;
+            case NPC_TOTEM_C_HEALING:
+                spellId = SPELL_HEALING_EFFECT;
+                break;
+            case NPC_TOTEM_C_WINDFURY:
+                spellId = SPELL_WINDFURY_EFFECT;
+                break;
+        }
+
+        if (!spellId)
+        {
+            return;
+        }
+
+        std::vector<uint32> mobsEntries;
+        mobsEntries.push_back(NPC_NEFARIAN);
+        mobsEntries.push_back(NPC_BONE_CONSTRUCT);
+        mobsEntries.push_back(NPC_BRONZE_DRAKANOID);
+        mobsEntries.push_back(NPC_BLUE_DRAKANOID);
+        mobsEntries.push_back(NPC_RED_DRAKANOID);
+        mobsEntries.push_back(NPC_GREEN_DRAKANOID);
+        mobsEntries.push_back(NPC_BLACK_DRAKANOID);
+        mobsEntries.push_back(NPC_CHROMATIC_DRAKANOID);
+
+        for (auto& entry : mobsEntries)
+        {
+            std::list<Creature*> tmpMobList;
+            GetCreatureListWithEntryInGrid(tmpMobList, me, entry, 100.f);
+            while (!tmpMobList.empty())
+            {
+                Creature* curr = tmpMobList.front();
+                tmpMobList.pop_front();
+
+                if (!curr->IsAlive())
+                {
+                    continue;
+                }
+
+                if (apply && me->IsAlive())
+                {
+                    if (me->IsWithinDistInMap(curr, 40.f))
+                    {
+                        if (!curr->HasAura(spellId))
+                        {
+                            curr->AddAura(spellId, curr);
+                        }
+                    }
+                    else
+                    {
+                        if (curr->HasAura(spellId))
+                        {
+                            curr->RemoveAurasDueToSpell(spellId);
+                        }
+                    }
+                }
+                else
+                {
+                    curr->RemoveAurasDueToSpell(spellId);
+                }
+            }
+        }
+    }
+
+    void IsSummonedBy(Unit* /*summoner*/) override
+    {
+        me->SetInCombatWithZone();
+
+        _scheduler
+            .Schedule(1ms, [this](TaskContext context)
+            {
+                if (me->GetEntry() == NPC_TOTEM_C_FIRE_NOVA)
+                {
+                    if (!_auraAdded)
+                    {
+                        context.Schedule(4s, [this](TaskContext /*context*/)
+                            {
+                                if (me->IsAlive())
+                                {
+                                    DoCastAOE(SPELL_FIRE_NOVA_EFFECT, true);
+                                }
+                            });
+                        _auraAdded = true;
+                        return;
+                    }
+                }
+
+                SetAura(true);
+                context.Repeat(1s);
+            })
+            .Schedule(me->GetEntry() == NPC_TOTEM_C_WINDFURY ? 89s : 59s, [this](TaskContext /*context*/)
+            {
+                SetAura(false);
+                me->DespawnOrUnsummon();
+            });
+    }
+
+    void JustDied(Unit* /*killer*/) override
+    {
+        if (me->GetEntry() != NPC_TOTEM_C_FIRE_NOVA)
+        {
+            SetAura(false);
+        }
+
+        _scheduler.CancelAll();
+    }
+
+    void UpdateAI(uint32 diff) override
+    {
+        if (!UpdateVictim())
+        {
+            return;
+        }
+
+        _scheduler.Update(diff);
+    }
+
+    protected:
+        TaskScheduler _scheduler;
+        bool _auraAdded;
+};
+
+std::unordered_map<uint32, uint8> const classCallSpells =
+{
+    { SPELL_MAGE, CLASS_MAGE },
+    { SPELL_WARRIOR, CLASS_WARRIOR },
+    { SPELL_DRUID, CLASS_DRUID },
+    { SPELL_PRIEST, CLASS_PRIEST },
+    { SPELL_PALADIN, CLASS_PALADIN },
+    { SPELL_SHAMAN, CLASS_SHAMAN },
+    { SPELL_WARLOCK, CLASS_WARLOCK },
+    { SPELL_HUNTER, CLASS_HUNTER },
+    { SPELL_ROGUE, CLASS_ROGUE }
+};
+
+class spell_class_call_handler : public SpellScript
+{
+    PrepareSpellScript(spell_class_call_handler);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_SUMMON_INFERNALS });
+    }
+
+    void FilterTargets(std::list<WorldObject*>& targets)
+    {
+        if (SpellInfo const* spellInfo = GetSpellInfo())
+        {
+            targets.remove_if([spellInfo](WorldObject const* target) -> bool
+                {
+                    Player const* player = target->ToPlayer();
+                    if (!player || player->getClass() == CLASS_DEATH_KNIGHT) // ignore all death knights from whatever spell, for some reason the condition below is not working x.x
+                    {
+                        return true;
+                    }
+
+                    auto it = classCallSpells.find(spellInfo->Id);
+                    if (it != classCallSpells.end()) // should never happen but only to be sure.
+                    {
+                        return target->ToPlayer()->getClass() != it->second;
+                    }
+
+                    return false;
+                });
+        }
+    }
+
+    void HandleOnHitRogue()
+    {
+        Unit* caster = GetCaster();
+        Unit* target = GetHitUnit();
+
+        if (!caster || !target)
+        {
+            return;
+        }
+
+        float angle = rand_norm() * 2 * M_PI;
+        Position tp = caster->GetPosition();
+        tp.m_positionX += std::cos(angle) * 5.f;
+        tp.m_positionY += std::sin(angle) * 5.f;
+        float z = tp.m_positionZ + 0.5f;
+        caster->UpdateAllowedPositionZ(tp.GetPositionX(), tp.GetPositionY(), z);
+        target->NearTeleportTo(tp.GetPositionX(), tp.GetPositionY(), z, angle - M_PI);
+        target->UpdatePositionData();
+    }
+
+    void HandleOnHitWarlock()
+    {
+        if (GetHitUnit())
+        {
+            GetHitUnit()->CastSpell(GetHitUnit(), SPELL_SUMMON_INFERNALS, true);
+        }
+    }
+
+    void Register() override
+    {
+        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_class_call_handler::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
+
+        if (m_scriptSpellId == SPELL_ROGUE)
+        {
+            OnHit += SpellHitFn(spell_class_call_handler::HandleOnHitRogue);
+        }
+        else if (m_scriptSpellId == SPELL_WARLOCK)
+        {
+            OnHit += SpellHitFn(spell_class_call_handler::HandleOnHitWarlock);
+        }
+    }
+};
+
+class aura_class_call_wild_magic : public AuraScript
+{
+    PrepareAuraScript(aura_class_call_wild_magic);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_POLYMORPH });
+    }
+
+    void HandlePeriodic(AuraEffect const* /*aurEff*/)
+    {
+        if (!GetTarget())
+        {
+            return;
+        }
+
+        GetTarget()->CastSpell(GetTarget(), SPELL_POLYMORPH, true);
+    }
+
+    void Register() override
+    {
+        OnEffectPeriodic += AuraEffectPeriodicFn(aura_class_call_wild_magic::HandlePeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
+    }
+};
+
+class aura_class_call_siphon_blessing : public AuraScript
+{
+    PrepareAuraScript(aura_class_call_siphon_blessing);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_BLESSING_PROTECTION });
+    }
+
+    void HandlePeriodic(AuraEffect const* /*aurEff*/)
+    {
+        PreventDefaultAction();
+
+        if (Unit* target = GetTarget())
+        {
+            if (Unit* nefarian = target->FindNearestCreature(NPC_NEFARIAN, 100.f))
+            {
+                target->CastSpell(nefarian, SPELL_BLESSING_PROTECTION, true);
+            }
+        }
+    }
+
+    void Register() override
+    {
+        OnEffectPeriodic += AuraEffectPeriodicFn(aura_class_call_siphon_blessing::HandlePeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
+    }
+};
+
+class spell_class_call_polymorph : public SpellScript
+{
+    PrepareSpellScript(spell_class_call_polymorph);
+
+    std::list<WorldObject*> targetList;
+
+    void FilterTargets(std::list<WorldObject*>& targets)
+    {
+        targets.remove_if([&](WorldObject const* target) -> bool
+            {
+                return target->GetTypeId() != TYPEID_PLAYER || target->ToPlayer()->IsGameMaster() || target->ToPlayer()->HasAura(SPELL_POLYMORPH);
+            });
+
+        if (!targets.empty())
+        {
+            Acore::Containers::RandomResize(targets, 1);
+            targetList.clear();
+            targetList = targets;
+        }
+    }
+
+    void FilterTargetsEff(std::list<WorldObject*>& targets)
+    {
+        targets.clear();
+        targets = targetList;
+    }
+
+    void Register() override
+    {
+        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_class_call_polymorph::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ALLY);
+        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_class_call_polymorph::FilterTargetsEff, EFFECT_1, TARGET_UNIT_SRC_AREA_ALLY);
+        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_class_call_polymorph::FilterTargetsEff, EFFECT_2, TARGET_UNIT_SRC_AREA_ALLY);
+    }
+};
+
+class aura_class_call_berserk : public AuraScript
+{
+    PrepareAuraScript(aura_class_call_berserk);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_WARRIOR_BERSERK });
+    }
+
+    void HandleOnEffectRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
+    {
+        if (Unit* target = GetTarget())
+        {
+            target->CastSpell(target, SPELL_WARRIOR_BERSERK);
+        }
+    }
+
+    void Register() override
+    {
+        OnEffectRemove += AuraEffectRemoveFn(aura_class_call_berserk::HandleOnEffectRemove, EFFECT_0, SPELL_AURA_MOD_SHAPESHIFT, AURA_EFFECT_HANDLE_REAL);
+    }
+};
+
+class spell_corrupted_totems : public SpellScript
+{
+    PrepareSpellScript(spell_corrupted_totems);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_CORRUPTED_FIRE_NOVA_TOTEM, SPELL_CORRUPTED_HEALING_TOTEM, SPELL_CORRUPTED_STONESKIN_TOTEM, SPELL_CORRUPTED_WINDFURY_TOTEM });
+    }
+
+    void HandleDummy(SpellEffIndex effIndex)
+    {
+        PreventHitDefaultEffect(effIndex);
+        if (!GetCaster())
+        {
+            return;
+        }
+
+        std::list<uint32> spellList = { SPELL_CORRUPTED_FIRE_NOVA_TOTEM, SPELL_CORRUPTED_HEALING_TOTEM, SPELL_CORRUPTED_STONESKIN_TOTEM, SPELL_CORRUPTED_WINDFURY_TOTEM };
+        uint32 spellId = Acore::Containers::SelectRandomContainerElement(spellList);
+        GetCaster()->CastSpell(GetCaster(), spellId);
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_corrupted_totems::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
+enum ShadowblinkRandomSpells
+{
+    SPELL_SHADOWBLINK_TRIGGERED_1 = 22668,
+    SPELL_SHADOWBLINK_TRIGGERED_2 = 22669,
+    SPELL_SHADOWBLINK_TRIGGERED_3 = 22670,
+    SPELL_SHADOWBLINK_TRIGGERED_4 = 22671,
+    SPELL_SHADOWBLINK_TRIGGERED_5 = 22672,
+    SPELL_SHADOWBLINK_TRIGGERED_6 = 22673,
+    SPELL_SHADOWBLINK_TRIGGERED_7 = 22674,
+    SPELL_SHADOWBLINK_TRIGGERED_8 = 22675,
+    SPELL_SHADOWBLINK_TRIGGERED_9 = 22676,
+};
+
+std::unordered_map<uint32, const Position> const spellPos = {
+    { SPELL_SHADOWBLINK_TRIGGERED_1, Position(-7581.11f, -1216.19f) },
+    { SPELL_SHADOWBLINK_TRIGGERED_2, Position(-7561.54f, -1244.01f) },
+    { SPELL_SHADOWBLINK_TRIGGERED_3, Position(-7542.47f, -1191.92f) },
+    { SPELL_SHADOWBLINK_TRIGGERED_4, Position(-7538.63f, -1273.64f) },
+    { SPELL_SHADOWBLINK_TRIGGERED_5, Position(-7524.36f, -1219.12f) },
+    { SPELL_SHADOWBLINK_TRIGGERED_6, Position(-7506.58f, -1165.26f) },
+    { SPELL_SHADOWBLINK_TRIGGERED_7, Position(-7500.70f, -1249.89f) },
+    { SPELL_SHADOWBLINK_TRIGGERED_8, Position(-7486.36f, -1194.32f) },
+    { SPELL_SHADOWBLINK_TRIGGERED_9, Position(-7469.93f, -1227.93f) },
+};
+
+class spell_shadowblink : public SpellScript
+{
+    PrepareSpellScript(spell_shadowblink);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_SHADOWBLINK_TRIGGERED_1, SPELL_SHADOWBLINK_TRIGGERED_2, SPELL_SHADOWBLINK_TRIGGERED_3, SPELL_SHADOWBLINK_TRIGGERED_4, SPELL_SHADOWBLINK_TRIGGERED_5, SPELL_SHADOWBLINK_TRIGGERED_6, SPELL_SHADOWBLINK_TRIGGERED_7, SPELL_SHADOWBLINK_TRIGGERED_8, SPELL_SHADOWBLINK_TRIGGERED_9 });
+    }
+
+    void HandleDummy(SpellEffIndex /*effIndex*/)
+    {
+        Unit* caster = GetCaster();
+        if (!caster || !caster->ToCreature() || !caster->ToCreature()->AI())
+        {
+            return;
+        }
+
+        Unit* target = caster->ToCreature()->AI()->SelectTarget(SelectTargetMethod::Random, 0, 200.f, true);
+        if (!target)
+        {
+            return;
+        }
+
+        for (auto itr : spellPos)
+        {
+            float distTarget = target->GetDistance2d(itr.second.m_positionX, itr.second.m_positionY);
+            if (distTarget <= 30.f)
+            {
+                caster->CastSpell(caster, itr.first, true);
+                return;
+            }
+        }
+
+        // Selected target is not near any known position, randomize
+        auto spellId = Acore::Containers::SelectRandomContainerElement(spellPos);
+        caster->CastSpell(caster, spellId.first, true);
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_shadowblink::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
     }
 };
 
 void AddSC_boss_nefarian()
 {
     new boss_victor_nefarius();
-    new boss_nefarian();
+    RegisterCreatureAI(boss_nefarian);
+    RegisterCreatureAI(npc_corrupted_totem);
+    RegisterSpellScript(spell_class_call_handler);
+    RegisterSpellScript(aura_class_call_wild_magic);
+    RegisterSpellScript(aura_class_call_siphon_blessing);
+    RegisterSpellScript(spell_class_call_polymorph);
+    RegisterSpellScript(aura_class_call_berserk);
+    RegisterSpellScript(spell_corrupted_totems);
+    RegisterSpellScript(spell_shadowblink);
 }