Core/Spells:

* moved Shadowflame to spellscript
* fixed Bane of Havoc
* Backdraft will now fire on cast instead of on hit

sql/updates/world/4.3.4/2023_06_12_00_world.sql

@@ -0,0 +1,20 @@
+-- Shadowflame
+DELETE FROM `spell_linked_spell` WHERE `spell_trigger`= 47897;
+DELETE FROM `spell_script_names` WHERE `ScriptName`= 'spell_warl_shadowflame';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(47897, 'spell_warl_shadowflame');
+
+-- Backdraft
+UPDATE `spell_proc` SET `SpellPhaseMask`= 0x1, `SpellTypeMask`= 0x1 WHERE `SpellId`= -47258;
+
+-- Bane of Havoc
+DELETE FROM `spell_script_names` WHERE `ScriptName` IN 
+('spell_warl_bane_of_havoc',
+'spell_warl_bane_of_havoc_tracking_aura');
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(80240, 'spell_warl_bane_of_havoc'),
+(85466, 'spell_warl_bane_of_havoc_tracking_aura');
+
+DELETE FROM `spell_proc` WHERE `SpellId`= 85466;
+INSERT INTO `spell_proc` (`SpellId`, `SpellTypeMask`, `SpellPhaseMask`) VALUES
+(85466, 0x1, 0x2);