Infinite Regalia

Background
''Divine Weapons--unique weapons that have received the blessing of the gods. However, deep within some ruins, twins of these divine weapons slumber. These treasures are guarded by dark warlords and nobody has been able get past them. Is there anyone brave enough to conquer these ruins...?''

Episode Information
Infinite Divine Weapons is Another Story 15 of Fire Emblem: Kakusei.

Not 12, but 36 Dark Warlords are guarding chests containing a variety of powerful and legendary items, ranging from Akaneia's spectral sword Mercurius to Tellius's long-ranged Double Bow. After completion of the mission, Eltshan joins as a Level 14 Paladin.