From Emil Chronicle Wiki

Infinite Corridor Greyhound is a level 38 monster.

[edit] Stats

Basic	Combat
Level 38 Experience 90 Job Experience 50 HP 910 SP 1,000 MP 1,000 Behavior  ???	Type Animal A.SPD 2.00 ATK 165 - 200 DEF 45 C.SPD 2.00 M.ATK 0 - 0 M.DEF 57
Properties Wind(10%) Item Drops  ??? Skills  ??? Location Infinite Corridor