A Realm Reborn: After defeating the Primal Titan, you return to your base only to locate quickly right after you described in your victory to your allies, The Empire came and sacked the foundation, killing most of your allies and having anyone else captive, and then, when you have hardly experienced time to mourn your losses, you study that one more Primal is about to summoned, and now you'll have to deal with it with no the allies and guidance.