TrinityCore/sql/updates/502_trinity_scripts.sql

UPDATE creature_template SET minhealth=2655000, maxhealth=2655000, ScriptName = 'boss_the_lurker_below', InhabitType = '3' WHERE entry = '21217';

UPDATE creature_template SET ScriptName = 'mob_coilfang_ambusher' WHERE entry = '21865';
UPDATE creature_template SET ScriptName = 'mob_coilfang_guardian' WHERE entry = '21873';

UPDATE creature_model_info SET bounding_radius = '13', combat_reach = '20' WHERE modelid = '20216';