Jack, in-a-box

Armor Class 13

Hit Points 157 (35d4 + 70)

Speed 0 ft.

Initiative +3

Damage Vulnerabilities lightning

Damage Resistances bludgeoning, piercing and slashing from nonmagical weapons

Damage Immunities poison, psychic

Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned.

Saving Throws Dex +7, Cha +8

Skills Deception +8, Stealth +7

Senses darkvision 120 ft., tremorsense 120 ft., passive Perception 17

Languages Common, telepathy 120 ft.

Challenge 9 (5,000 XP)

Source Monster a Day

Cruel Teasing. Jack chooses up to two creatures he can see within 60 feet of him. Each creature must succeed on a DC 16 Charisma saving throw or take 14 (4d4 + 4) psychic damage.

Bully. Jack uses Cruel Teasing.

Pop Goes the Weasel! (2 actions). Jack retreats into his container and vanishes, reappearing hidden in another container within 120 feet of him, then pops out and uses Cruel Teasing.