Coliseum

Description
place where hunters fought and competed for fun.

Appearance
The Coliseum was built similar to those in ancient cultures, a huge oval amphitheater with thousands of seats

Located
Star City ,a core City in the empire.

History
It was at this place that our protagonist gets his first A rank skill book (flight) and fights a deathmatch against Andrei Nikolaev, where he kills Andrei in chapter 35.