ALTER TABLE db_version CHANGE COLUMN required_8931_01_mangos_spell_bonus_data required_8932_01_mangos_spell_chain bit;

DELETE FROM spell_chain WHERE spell_id IN (50518,53558,53559,53560,53561,53562);
INSERT INTO spell_chain VALUES
(50518,0,50518,1,0),
(53558,50518,50518,2,0),
(53559,53558,50518,3,0),
(53560,53559,50518,4,0),
(53561,53560,50518,5,0),
(53562,53561,50518,6,0);