Devil's Sight. Magical darkness doesn't impede the lemure's darkvision.
Hellish Rejuvenation. A lemure that dies in the Nine Hells comes back to life with all its hit points in 1d10 days unless it is killed by a good-aligned creature with a bless spell cast on that creature or its remains are sprinkled with holy water.
Actions
Fist. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 2 (1d4) bludgeoning damage.