Astaroth

Devil’s Sight. Magical darkness doesn’t impede Astaroth’s darkvision.

Legendary Resistance (3/Day). If Astaroth fails a saving throw, he can choose to succeed instead.

Magic Resistance. Astaroth has advantage on saving throws against spells and other magical effects.

Regeneration. Astaroth regains 20 hit points at the start of his turn. If he takes radiant damage, this trait doesn’t function at the start of his next turn. Astaroth dies only if he starts his turn with 0 hit points and doesn’t regenerate.

Multiattack. Astaroth makes three Longsword attacks. he can replace one attack with a use of Astaroth's hand of death, if available.

Longsword. Melee Weapon Attack: +16 to hit, reach 10 ft., one target. Hit: 17 (2d8 + 8) radiant damage, or 19 (2d10 + 8) radiant damage when used with two hands, plus 36 (8d8) fire damage.

 Astaroth's hand of death(Recharge 5–6). Astaroth touches one creature within 10 feet of him. The target must succeed on a DC 26 Constitution saving throw or take 44 (8d10) necrotic damage and be poisoned for 1 minute. While poisoned in this way, the target is blinded and deafened. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Spellcasting. Astaroth casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 26):

At will: alter self (can become Medium when changing his appearance), detect evil and good, fireball, invisibility (self only), major image, wall of fire

3/day each: blade barrier, dispel evil and good, finger of death

Teleport. Astaroth teleports, along with any equipment he is wearing or carrying, up to 120 feet to an unoccupied space he can see.

Astaroth can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Astaroth regains spent legendary actions at the start of his turn.

Teleport. Astaroth uses Teleport.

Immolating Gaze (Costs 2 Actions). Astaroth turns his magical gaze toward one creature he can see within 120 feet of him and commands it to burn. The target must succeed on a DC 26 Wisdom saving throw or take 22 (4d10) fire damage.