TrinityCore/sql/updates/5966_world_scripts.sql

UPDATE `creature_template` SET `ScriptName`='mob_massive_jormungar' WHERE `entry`=26685;
UPDATE `creature_template` SET `ScriptName`='mob_ferocious_rhino' WHERE `entry`=26686;
UPDATE `creature_template` SET `ScriptName`='mob_palehoof_orb' WHERE `entry`=26688;