The conclusion of Final Fantasy XIII's three game narrative is finally here, and it ends with Lightning. As the savior of a dying world, Lightning must save as many souls as possible by way of sidequests, while she battles the main evils of the world in the core storyline. It sounds simple enough, but even on Easy the game is extremely punishing -- not to mention that the end of the world comes with a real-world time limit. Here are some tips to help you make it to the end of the world.