Blood Devil

Devil's Sight. Magical darkness doesn't impede the devil's darkvision.

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

Regain Blood. The Blood devil regains hitpoints equal to any amount of slashing or peircing damage it took in the last minute.

Bloodsense. The devil can sense any creature that has blood within 60 feet of it

Multiattack. The devil makes three attacks: two with its claws and one with its sting.

Claw. Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 8 (1d8 + 4) slashing damage and grapples the target

Sting. Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 13 (2d8 + 4) piercing damage plus 17 (5d6) poison damage, and the target must succeed on a DC 14 Constitution saving throw or become poisoned for 1 minute. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Boil Blood. Ranged Speel Attack: +8 to hit, range 30 ft, one target. Hit:  30 fire damage plus 30 necrotic damage and must succeed on a DC 17 Constitution or take 15 fire damage on the end of each of it's turns

Bite. Melee Weapon Attack: +9 to hit, reach 5 ft., one willing creature, or a creature that is grappled by the Blood Devil, incapacitated, or restrained. Hit: 14 piercing damage plus 17 necrotic damage. The target's hit point maximum is reduced by an amount equal to the necrotic damage taken, and the Blood Devil regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. A humanoid slain in this way rises 1 minute later as a Lemure under the Blood Devil's control.

Teleport. The Blood Devil  teleports to somewhere within 120 feet that it can see

Sting. The Blood Devil makes one Sting attack

Boil Blood(Cost 2 actions). The Blood Devil makes one Blood Boil attack