diff --git a/sql/updates/world/4.3.4/custom_2018_02_14_01_world.sql b/sql/updates/world/4.3.4/custom_2018_02_14_01_world.sql
new file mode 100644
index 00000000000..f0ef98a387f
--- /dev/null
+++ b/sql/updates/world/4.3.4/custom_2018_02_14_01_world.sql
@@ -0,0 +1,5 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName`= 'spell_umbris_blitz';
+
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(74670, 'spell_umbriss_blitz'),
+(90250, 'spell_umbriss_blitz');
diff --git a/src/server/game/Spells/SpellEffects.cpp b/src/server/game/Spells/SpellEffects.cpp
index d0dc7193c6a..23acc1f1723 100644
--- a/src/server/game/Spells/SpellEffects.cpp
+++ b/src/server/game/Spells/SpellEffects.cpp
@@ -4479,6 +4479,7 @@ void Spell::EffectChargeDest(SpellEffIndex /*effIndex*/)
     if (m_targets.HasDst())
     {
         Position pos = destTarget->GetPosition();
+        float speed = G3D::fuzzyGt(m_spellInfo->Speed, 0.0f) ? m_spellInfo->Speed : SPEED_CHARGE;
 
         if (!m_caster->IsWithinLOS(pos.GetPositionX(), pos.GetPositionY(), pos.GetPositionZ()))
         {
@@ -4487,7 +4488,7 @@ void Spell::EffectChargeDest(SpellEffIndex /*effIndex*/)
             pos = m_caster->GetFirstCollisionPosition(dist, angle);
         }
 
-        m_caster->GetMotionMaster()->MoveCharge(pos.m_positionX, pos.m_positionY, pos.m_positionZ);
+        m_caster->GetMotionMaster()->MoveCharge(pos.m_positionX, pos.m_positionY, pos.m_positionZ, speed);
     }
 }
 
diff --git a/src/server/scripts/EasternKingdoms/GrimBatol/boss_general_umbriss.cpp b/src/server/scripts/EasternKingdoms/GrimBatol/boss_general_umbriss.cpp
index 49acee89774..c8cb21f59ce 100644
--- a/src/server/scripts/EasternKingdoms/GrimBatol/boss_general_umbriss.cpp
+++ b/src/server/scripts/EasternKingdoms/GrimBatol/boss_general_umbriss.cpp
@@ -429,6 +429,36 @@ class spell_umbriss_bleeding_wound : public SpellScriptLoader
         }
 };
 
+class spell_umbriss_blitz : public SpellScriptLoader
+{
+    public:
+        spell_umbriss_blitz() : SpellScriptLoader("spell_umbriss_blitz") { }
+
+        class spell_umbriss_blitz_SpellScript : public SpellScript
+        {
+            PrepareSpellScript(spell_umbriss_blitz_SpellScript);
+
+            void HandleCharge(SpellEffIndex /*effIndex*/)
+            {
+                if (Unit* caster = GetCaster())
+                {
+                    caster->ClearUnitState(UNIT_STATE_CANNOT_TURN);
+                    caster->ClearUnitState(UNIT_STATE_CASTING);
+                }
+            }
+
+            void Register() override
+            {
+                OnEffectLaunch += SpellEffectFn(spell_umbriss_blitz_SpellScript::HandleCharge, EFFECT_0, SPELL_EFFECT_CHARGE_DEST);
+            }
+        };
+
+        SpellScript* GetSpellScript() const override
+        {
+            return new spell_umbriss_blitz_SpellScript();
+        }
+};
+
 void AddSC_boss_general_umbriss()
 {
     new boss_general_umbriss();
@@ -436,4 +466,5 @@ void AddSC_boss_general_umbriss()
     new spell_umbriss_summon_blitz_trigger();
     new spell_umbriss_summon_ground_siege_trigger();
     new spell_umbriss_bleeding_wound();
+    new spell_umbriss_blitz();
 }