Core/Spells: fixed a possible client crash when casting pull towards dest spells with misc value 0 (#24365)

* This case is not happening in 335 yet as it barely has any spell with pull towardst dest effects. However, this is very well present in 4.x and beyond so let's add it for future cherrypicks

1 files changed, 1 insertions, 1 deletions

diff --git a/src/server/game/Spells/SpellEffects.cpp b/src/server/game/Spells/SpellEffects.cpp
index db1a80f2ddf..1ab86390b49 100644
--- a/src/server/game/Spells/SpellEffects.cpp
+++ b/src/server/game/Spells/SpellEffects.cpp
@@ -4422,7 +4422,7 @@ void Spell::EffectPullTowardsDest(SpellEffIndex effIndex)
     float distXY = unitTarget->GetExactDist(pos);
     float distZ = pos->GetPositionZ() - unitTarget->GetPositionZ();
 
-    float speedXY = m_spellInfo->Effects[effIndex].MiscValue / 10.0f;
+    float speedXY = m_spellInfo->Effects[effIndex].MiscValue ? m_spellInfo->Effects[effIndex].MiscValue / 10.0f : 30.0f;
     float speedZ = (2 * speedXY * speedXY * distZ + Movement::gravity * distXY * distXY) / (2 * speedXY * distXY);
 
     unitTarget->JumpTo(speedXY, speedZ, true, *pos);