Dark Devotion. The cultist has advantage on saving throws against being charmed or frightened.

Cursed Enlightenment- Granted True Sight

From the Abyss- Will dodge fatal blows (1-5 HP) until a DC of 12 or 8 under negative effects of unstable body is landed or he has healed above 6 HP.

Determination- Heals 2 HP after attacking, 1 Hp on missed attack.

Unstable Body-  Needs to roll a Constitution saving throw of DC 16 or higher every start of round , on fail AC drops to 10 for 1 round.

Void Blade-  Melee Weapon Attack: +3 to hit, reach 5 ft., one creature. Hit: 8 (2d8 + 2) piercing damage.

 Eldritch Blast- Ranged Weapon Attack: +2 to hit, range 120ft., one target. Hit: 5 (1d10 + 2) force.

Abyss Torrent- Ranged Weapon Attack: +3 to hit, range 80/320 ft., one target. Hit: 5 (3d8 + 3) necrotic damage.  Can only be casted once every 3 rounds . This spell envelopes the party in utter darkness that chips away at their very soul . 

Will always target magic casters first.

Upon being affect by blind, he will take a defensive stance and retreat from the party before nullifying affects after a turn, nullification applies to other effects as well.

If a single enemy has done more than 10 HP on their own, he will warp them away from himself once, making them lose 2 turns.

Can attack twice .