The Shrine of Seals is a location in Fire Emblem: The Binding Blade and Fire Emblem: The Blazing Blade. It lies in the land of Elibe, in a secret location in Bern. It was built by Hartmut after he founded Bern in the aftermath of The Scouring. The Shrine is a massive structure surrounded by forests and mountains in a secluded location so to safeguard the Seal of the Legendary Weapons of Elibe, and the Binding Blade.
Because of the calamity of the Ending Winter, man feared the power of the Legendary Weapons of Elibe. They hid them in secluded locations throughout the continent and Bramimond placed a magic seal on all of them which only they themself could break. In Fire Emblem: The Blazing Blade, Athos, Eliwood and friends convince Bramimond to lift the continental seal, so that the apocalyptic weapons could be accessed once again.