From Emil Chronicle Wiki

Devastator is a level 43 monster.

[edit] Stats

Basic	Combat
Level 43 Experience 635 Job Experience 333 HP 1,200 SP 100 MP 100 Behavior  ???	Type Human A.SPD 3.00 ATK 240 - 280 DEF 150 C.SPD 4.00 M.ATK 80 - 115 M.DEF 76
Properties None Item Drops Tonic Water, Heal Potion, Valkyrie Teardrop, Devastator Stamp Skills  ??? Location Southern Dungeon