Aether arrives to Teyvat with his twin sister Lumine, and when they tried to leave to the next world, their path was blocked by the Sustainer of Heavenly Principles. Aether was attacked by the Unknown God and sent away in the form of a cube. Aether wakes and travels Teyvat with Dainsleif, they part ways for unknown reasons after Aether realizes the truth of the world. Presently, he leads the Abyss Order as the Prince after seeing the effects the gods of Celestia had on the people of Teyvat.