Gaia

''Clamorous thunder of bullets, Towering mountains of flame, Hell raises and heaven descends! Eternally spiraling serpent! Consume! Reject! Mold your forms in blood and behold your foolishness! Transcend this world of desire! Gaia, Sword of Gathered Worlds!'' -— The incantation to invoke Gaia.

Gaia: Sword of Gathered Worlds (ガイア・世群の剣, Gaia: Yomura no Tsurugi) is a and an  only passed onto select users across generations. Considered to be a Magic that "invokes war for the sake of peace", it boasts tremendous power in the hands of a capable Mage, to the point where its current user is vehemently sought by the as a potential warpower.