From 3d4118962e98e0c6d18a4cfe83501f33c61da6a2 Mon Sep 17 00:00:00 2001
From: Hondacrx <prelude_20032002@yahoo.com>
Date: Wed, 4 Jun 2025 09:12:30 -0400
Subject: [PATCH] Core/Spells: Don't grant runic power when death knight
 abilities that do it using negative power cost miss and the spell has
 SPELL_ATTR1_DISCOUNT_POWER_ON_MISS

Port From (https://github.com/TrinityCore/TrinityCore/commit/76ab2007c0540542b892dd66e9287b394c54ee42)
---
 Source/Game/Spells/Spell.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Source/Game/Spells/Spell.cs b/Source/Game/Spells/Spell.cs
index 331b81ad0..f36cca60e 100644
--- a/Source/Game/Spells/Spell.cs
+++ b/Source/Game/Spells/Spell.cs
@@ -4741,6 +4741,11 @@ namespace Game.Spells
             {
                 if (!hit)
                 {
+                    // skipping granting power through negative cost only when spell has SPELL_ATTR1_DISCOUNT_POWER_ON_MISS is correct behavior
+                    // tested with 206931 - Blooddrinker
+                    if (cost.Amount < 0)
+                        continue;
+
                     //lower spell cost on fail (by talent aura)
                     Player modOwner = unitCaster.GetSpellModOwner();
                     if (modOwner != null)