ALTER TABLE db_version CHANGE COLUMN required_9136_02_mangos_quest_poi required_9136_04_mangos_spell_chain bit;

DELETE FROM spell_chain WHERE first_spell = 8443;

/* Desecration */
DELETE FROM spell_chain WHERE spell_id in (55666,55667);
INSERT INTO spell_chain VALUES
(55666,0,55666,1,0),
(55667,55666,55666,2,0);