diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index e063a4a..1c73567 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -146,6 +146,19 @@ uint64 const MAX_MONEY_AMOUNT = 99999999999ULL;
 
 Player::Player(WorldSession* session) : Unit(true), m_sceneMgr(this), m_archaeologyPlayerMgr(this)
 {
+    // SylvaniaCore : m_playerStorage etait DECLARE dans Player.h mais alloue
+    // NULLE PART dans tout le depot. Le pointeur contenait donc des ordures
+    // des la construction du joueur, et GetStorage() les renvoyait telles
+    // quelles. Quatre scripts du Moine le deferencent sans controle
+    // (spell_monk.cpp, maitrise « Frappes combinees » notamment) : le premier
+    // moine a declencher lun deux faisait tomber le worldserver.
+    // Plantage constate le 24/08/2026 dans le Temple du Serpent de jade,
+    // pile : PlayerStorage::IsEntryExists <- spell_monk_mastery_combo_strikes.
+    // La classe PlayerStorage est parfaitement fonctionnelle, il ne manquait
+    // que son allocation : la fonctionnalite devient operante par la meme
+    // occasion.
+    m_playerStorage = new PlayerStorage(this);
+
     _lastSummonedBattlePet = 0;
 
     FakerMoveTimer = 0;
@@ -425,6 +438,10 @@ Player::~Player()
 
     delete PlayerTalkClass;
 
+    // SylvaniaCore : pendant de l'allocation ajoutee au constructeur.
+    delete m_playerStorage;
+    m_playerStorage = nullptr;
+
     for (size_t x = 0; x < ItemSetEff.size(); x++)
         delete ItemSetEff[x];
 
diff --git a/src/server/scripts/Spells/spell_monk.cpp b/src/server/scripts/Spells/spell_monk.cpp
index 237b0e2..14e0839 100644
--- a/src/server/scripts/Spells/spell_monk.cpp
+++ b/src/server/scripts/Spells/spell_monk.cpp
@@ -1283,6 +1283,8 @@ public:
             return false;
 
         PlayerStorage* storage = caster->GetStorage();
+        if (!storage)
+            return false;
 
         // Don't handle first cast after login or death
         if (!storage->IsEntryExists(STORAGE_MONK_COMBO_STRIKES))
@@ -1385,6 +1387,9 @@ public:
                 return;
 
             PlayerStorage* storage = caster->ToPlayer()->GetStorage();
+            if (!storage)
+                return;
+
             int32 spellId = (int32)GetSpellInfo()->Id;
 
             if (storage->IsEntryExists(STORAGE_MONK_COMBO_STRIKES))
@@ -1408,6 +1413,8 @@ public:
                 return;
 
             PlayerStorage* storage = caster->ToPlayer()->GetStorage();
+            if (!storage)
+                return;
             
             // Prevent handling next cast
             storage->SetEntry(STORAGE_MONK_COMBO_STRIKES, (int32)GetSpellInfo()->Id + 1);
@@ -1475,6 +1482,9 @@ public:
 
             Player* player = caster->ToPlayer();
             PlayerStorage* storage = player->GetStorage();
+            if (!storage)
+                return;
+
             int32 spellHandleId;
 
             if (GetSpellInfo()->Id == SPELL_MONK_FISTS_OF_FURY_DAMAGE)