Size: large
Shape: octogonal
Gates: north, southeast, southwest, northwest and northeast
Seating: for 13600

Uses: gladiatorial fights, executions, battle re-enactments, animal hunts and sporting events
Material: brick walls, bone floor
Decorations: statues of heroes, family banners, patterned tapestries, statues of gods and corpses
Traps: hidden pits, tripwires, spiked pits and arrow traps