Armor Class 13
Hit Points 91 (14d8 + 28)
Speed 30 ft.
Skills Stealth +7
Damage Immunities poison
Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Senses darkvision 60 ft., passive Perception 10
Languages understands one language of its creator but can't speak
Challenge 4
Magic Resistance. The clockwork has advantage on saving throws against spells and other magical effects.
Unusual Nature. The clockwork doesn't require air, food, drink, or sleep.
Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) piercing damage. If the target is a creature, it must succeed on a DC 13 Constitution saving throw or suffer one random effect (roll a d6):
Mordenkainen Presents: Monsters of the Multiverse, p. 79