Image:Champ.PNG: Level 73-75 The Fortress of Ascension (Temple of Ascendancy, Castle of Rule or Castle of Domination) (abbreviated as FoA) is the final dungeon of the Xenia Continent where the evil Ascendant God Thanatos resides. There are many orbs in this dungeon that are activated by collecting the orbs from the other Gods' dungeons in Xenia. Each of the Orbs has a different effect.