In this world, many people maintain alliances and friendships with Fiends, mysterious and often mighty creatures from the Otherlands.
Fiends contain great power, are you wise enough to command them!?
DISCOVER!
Explore the Otherlands — mysterious regions brimming with wild Fiends that are just itching to fight!
BATTLE!
Lead your team of up to four Fiends into combat against enemy tamers and wild Fiends alike in turn-based combat!
RECRUIT!
Recruit wild Fiends to join your ranks, and build a massive menagerie of the mightiest monsters known to man!
FUSE!
Combine two Fiends at a time to create new and better ones! Don't stop until you've reached the pinnacle!