Armor Class 17 (natural armor)
Hit Points 68 (8d8 + 32)
Speed 30 ft.
Damage Immunities fire
Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Senses darkvision 60 ft., passive Perception 11
Languages Common, Draconic, telepathy 30 ft.
Challenge 4
Immutable Form. The peacekeeper is immune to any spell or effect that would alter its form.
Telepathic Bond. While the peacekeeper is on the same plane of existence as its master, it can magically convey what it senses to its master, and the two can communicate telepathically with each other.
Multiattack. The peacekeeper makes two Slam attacks.
Slam. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 16 (3d8 + 3) bludgeoning damage.
Calming Mist (Recharge 5–6). The peacekeeper releases a calming gas in a 30-foot-radius sphere centered on itself. Each creature in that area must succeed on a DC 14 Charisma saving throw or become charmed by the peacekeeper for 1 minute. While charmed in this way, the creature is incapacitated and has a speed of 0.
Fizban's Treasury of Dragons, p. 210