Monster Manual, page 44
Crawling Claw
Tiny undead, neutral evil
Armor Class: 12
Hit Points: 2 (1d4)
Speed:
20 ft
, climb: 20 ft
Damage Immunities: poison
Condition Immunities: charmed, exhaustion, poisoned
Senses: Blindsight 30 ft (blind beyond this radius), passive Perception 10
Languages: understands Common but can't speak
Challenge Rating: 0
Turn Immunity. The claw is immune to effects that turn undead.
Actions
Claw. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 3 (1d4 + 1) bludgeoning or slashing damage (claw's choice).