Final Fantasy XIII-2 (Pre-Owned)

Final Fantasy XIII-2 is part of Fabula Nova Crystallis Final Fantasy, a series of games set in the same world, based on the same mythos. It takes place three years after the fall of Cocoon, the final event of Final Fantasy XIII.

The protagonists are Serah, Lightning's sister, and Noel, a newcomer claiming to be a time traveller from 700 years in the future. Set out to fix paradoxes in the time-line, they travel in time and space via Valhalla, a realm at the end of time.