From Emil Chronicle Wiki

Elder Worm is a level 20 monster.

[edit] Stats

Basic	Combat
Level 20 Experience 50 Job Experience 50 HP 160 SP 55 MP 117 Behavior Assist	Type Insect A.SPD 2.89 ATK 27 - 34 DEF 21 - 17 C.SPD 2.40 M.ATK 40 - 60 M.DEF 15 - 25
Properties Light(50%) Item Drops Kitin, Crawler Eyebrow, Purple Jerico, Chrysalis, Curious Chrysalis, Elder Worm Stamp Skills  ??? Location Acronia Eastern Beach