This is a list of boss in the game. Monster have their own page. The list also follow the order of Arcana Master you fight in the game.
- Agni / Agni Blaze / Agni Ablaze
- Takemikazuchi / Indra
- Bahamut / Bahamut Quietus / Bahamut Apocalypse
- Cthulhu / White Chaos
- Azdaja / Azdaja Frenzy
- Grendel / Grendel Banjax / Grendel Annihilate
- Xerxes / Xerxes Oracle
- Vermillion / Vermillion Beta / Vermillion Gamma
- Hecatoncheir / Hecatoncheir Spat / Hecatoncheir Belch
- Nidhogg / Nidhogg Disturb / Red Nidhogg
- Siegfried / Siegfried Type-0 / Siegfried Gold