Arhana Lewyn

Acid Blood. Every time Arhana takes damage from a melee weapon within 5 ft. of her, the attacker takes 3 acid damage. 

Demonic mind. Arhana has advantage on wisdom saving throws against effects, that would Charm or frighten her. 

Innate Spellcasting. Arhana can cast the following spells without the need of material components. 

1/day each: charm person, detect magic

Multiattack. Arhana makes three Blacksword and one Poison-Dagger attack, or attacks 2 times with her Crossbow.

Shadesword. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 15 (2d8 + 6) slashing damage and 4 (1d8) force damage.

Poison Dagger. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 7 (1d4 + 5) piercing damage. The target must succeed on a DC 15 Constitution saving throw or takes 24 (7d6) poison damage and is poisoned, on a successful save it takes half the poison damage and is not poisoned  

Crossbow. Ranged Weapon Attack: +7 to hit, range 90/350 ft., one target. Hit: 8 (1d10+3) piercing damage.

Shadow Step: Arhana teleport with all her equipment up to 30 ft. to an unccupied später she can see. 

Arhana has three legendary actions which she can use after the turn of another creature. Used legendary actions recharge at the beginning of her next turn  

Move. Arhana moves up to her speed without provoking opportunity attacks.

Shadowblade (Costs 2 Actions). Arhana attacks with her Shadesword and if she hits, the target has to succeed on a Str save DC 16 or becomes restrained by grasping shadows. The restrained creature can use an action to try to escape the shadows, or another creature can do so. While a creature is restrained in this way, it has disadvantage on Wisdom saving throws  

Blackblood Rush (Costs 3 Actions). Arhana moves up to her speed and makes on weapon attack with advantage, she then gains temporary Hit points equal to the damage she deals with this attack.