TrinityCore/sql/updates/935_world_scripts.sql

DELETE FROM `creature` WHERE `id` = '17653';

UPDATE `gameobject_template` SET `flags` = '4' WHERE `entry` IN ('181766','181823');
UPDATE `gameobject` SET `SpawnMask` = '3',`state` = '1' WHERE `id` IN ('181766','181823');

UPDATE `instance_template` SET `script` = 'instance_blood_furnace' WHERE `map` = '542';