diff --git a/sql/updates/world/9999_99_99_99_world_GLUTH.sql b/sql/updates/world/9999_99_99_99_world_GLUTH.sql
new file mode 100644
index 0000000000..7e33e6be07
--- /dev/null
+++ b/sql/updates/world/9999_99_99_99_world_GLUTH.sql
@@ -0,0 +1,32 @@
+-- The column `spell1` was misused for this NPC. This NPC is undead. He cannot be MCed. The spell 29307 should be cast using SmartAI or by Script.
+-- Also, link the zombies chows to the custom ScriptedAI defined in boss_gluth.cpp.
+UPDATE `creature_template` SET `spell1`=0, `ScriptName`='npc_zombie_chow' WHERE `entry`=16360;
+UPDATE `creature_template` SET `spell1`=0 WHERE `entry`=30303;
+
+-- connect the decimate spell (effect 0) used by Gluth (in both 10 man & 25) to the spell script defined in boss_gluth.cpp.
+-- and connect the 2 zombie chow's search spells to a unique spell script used by both.
+DELETE FROM `spell_script_names` WHERE `ScriptName` IN ('spell_gluth_decimate', 'spell_gluth_zombiechow_search');
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(28374, 'spell_gluth_decimate'),
+(54426, 'spell_gluth_decimate'),
+(28239, 'spell_gluth_zombiechow_search'),
+(28404, 'spell_gluth_zombiechow_search');
+
+-- add the condition to the multi-target insta-kill spell 28404 which is that only zombies are eligible targets to the spell.
+-- add a condition to the decimate spell (28374/54426). It's damage component should only affect players and zombies.
+DELETE FROM `conditions` WHERE `SourceTypeOrReferenceId`= 13 AND `SourceEntry` IN (28374, 28404, 54426);
+INSERT INTO `conditions` (`SourceTypeOrReferenceId`, `SourceGroup`, `SourceEntry`, `SourceId`, `ElseGroup`, `ConditionTypeOrReference`, `ConditionTarget`, `ConditionValue1`, `ConditionValue2`, `ConditionValue3`, `NegativeCondition`, `ErrorType`, `ErrorTextId`, `ScriptName`, `Comment`)  VALUES
+(13, 1, 28404, 0, 0, 31, 0, 3, 16360, 0, 0, 0, 0, '', 'Zombie Chow Search targets zombies only'),
+(13, 1, 28374, 0, 0, 31, 0, 3, 16360, 0, 0, 0, 0, '', 'Decimate damage should only hit zombie or player'),
+(13, 1, 28374, 0, 1, 31, 0, 4, 0, 0, 0, 0, 0, '', 'Decimate damage should only hit zombie or player'),
+(13, 1, 54426, 0, 0, 31, 0, 3, 16360, 0, 0, 0, 0, '', 'Decimate damage should only hit zombie or player'),
+(13, 1, 54426, 0, 1, 31, 0, 4, 0, 0, 0, 0, 0, '', 'Decimate damage should only hit zombie or player');
+
+-- adds Gluth's 5 emotes into the DB.
+DELETE FROM `creature_text` WHERE `entry`=15932 AND `groupid` IN(0,1,2,3,4) AND `id`=0;
+INSERT INTO `creature_text` (`entry`, `groupid`, `id`, `text`, `type`, `language`, `probability`, `emote`, `duration`, `sound`, `BroadcastTextId`, `TextRange`, `comment`) VALUES
+(15932, 0, 0, '%s spots a zombie to devour!', 16, 0, 100, 0, 0, 0, 12242, 2/3, 'Gluth - spots one'),
+(15932, 1, 0, '%s decimates all nearby flesh!', 41, 0, 100, 0, 0, 0, 32321, 2/3, 'Gluth - decimate'),
+(15932, 2, 0, '%s becomes enraged!', 41, 0, 100, 0, 0, 0, 24144, 2/3, 'Gluth - enrage'),
+(15932, 3, 0, '%s devours all nearby zombies!', 16, 0, 100, 0, 0, 0, 12348, 2/3, 'Gluth - devours all'),
+(15932, 4, 0, '%s goes into a berserker rage!', 41, 0, 100, 0, 0, 0, 34057, 2/3, 'Gluth - berserker');