Immortality: When Ta’kain dies he comes back in 60 days.

Legendary resistance(1/day): When Ta’kain fails a saving throw he can choose to succeed.

Multiattack: Ta’kain makes 3 God slayer type attacks.

God slayer blade: +19 to hit, melee weapon attack, reach 5ft, Hit: 16slashing damage or 17 if two handed + 30 radiant damage. and if the target is medium or smaller it is decapitated. This condition or damage  can’t be effected by immunity or resistance. 

Whirlwind(recharge 3-6): Ta’kain makes 2 God slayer blade attacks plus 2 God slayer bolt attacks 

God slayer bolt: +19to hit, ranged spell attack, range 30/600ft, Hit 28 necrotic damage.

Judgement(1/day): One creature Ta’kain can see must make a DC 25 constitution saving throw or take 120 thunder damage and be Banished to a Demiplane prison for 60 days where they need nothing and are in a slumber.

Parry: Ta’kain adds 3 to his AC once a turn.

Ta’kain can take 3 legendary actions only one at a time and at the end of a creatures turn.

Attack: one god slayer bolt or blade.

Rage(3 actions): The nearest creature to Ta’kain is frightened for one minute.