From Emil Chronicle Wiki

Peekaboo is a level 38 monster.

[edit] Stats

Basic	Combat
Level 38 Experience 880 Job Experience 1,600 HP 1,800 SP 89 MP 203 Behavior  ???	Type Magic Creature A.SPD 6.00 ATK 120 - 150 DEF 200 C.SPD 7.00 M.ATK 120 - 160 M.DEF 110
Properties Dark(40%) Item Drops Mana Water, Torn Magic Book, Stuffed Doll Fabric, Noble Fabric, Tiny Marionette Skills  ??? Location  ???