Multiattack.The abhorrent overlord makes two attacks with its claws.
Claws.mw 9 to hit, reach 5 ft., one target. ({@damage 2d8 + 5) slashing damage plus 14 (4d6) necrotic damage. The abhorrent overlord regains hit points equal to half the amount of necrotic damage dealt if the target is a creature.
Storm of Crows.The abhorrent overlord conjures a swarm of spectral crows and harpies in a 20-foot-radius sphere centered on a point the overlord can see within 120 feet of it. The sphere remains for 1 minute or until the overlord loses concentration (as if concentration||concentrating on a spell), and its area is lightly obscured and difficult terrain||3. Any creature that moves into the area for the first time on a turn or starts its turn there must make a 15 Constitution saving throw. A creature takes 16 (3d10) slashing damage plus 16 (3d10) psychic damage on a failed save, or half as much damage on a successful one.