From Emil Chronicle Wiki

Infinite Corridor Sand Crawler is a level 23 monster.

[edit] Stats

Basic	Combat
Level 23 Experience 16 Job Experience 10 HP 700 SP 1,000 MP 1,000 Behavior  ???	Type Insect Boss A.SPD -3.00 ATK 60 - 75 DEF 35 C.SPD 0.02 M.ATK 45 - 85 M.DEF 27
Properties Earth(20%) Dark(10%) Item Drops  ??? Skills  ??? Location Infinite Corridor