Face the dreaded Omega in the Coliseum! Use the crystals of defeated foes to summon them as allies in battle. The Coliseum appears in the Historia Crux (available from Chapter 2 onwards). To access this content, enter the Historia Crux and select "Coliseum -??? AF-".
If you're stuck in Final Fantasy XIII-2 - Opponent: Omega, ask your fellow GameFAQs members for help.
Game List Statistics