AC 13 (natural armor)
HP 45 (6d10 + 12; bloodied 22)
Speed 30 ft., climb 30 ft.
Proficiency +2; Maneuver DC 12
Senses blindsight 30 ft., passive Perception 10
Spider Climb. The centipede can climb even on and upside down on ceilings.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 4 (1d4 + 2) piercing damage and the target makes a DC 11 Constitution . On a failure, the target takes 10 (3d6) poison damage and is for 1 minute. The target is while poisoned in this way. The target repeats the saving throw at the end of each of its turns, ending the effect on a success.
Beasts are natural animals whose existence and abilities are nonmagical. Aand a are both beasts.