Dainsleif, sometimes shortened to Dain, is an upcoming playable character in Genshin Impact. He is the featured character for Chapter ?? of the Teyvat Chapter Storyline, which focuses on the lost kingdom of Khaenri'ah.

Dainsleif is the former knight captain of the Royal Guard of Khaenri'ah. However, he failed to prevent the destruction of Khaenri'ah 500 years ago. A curse of immortality was placed upon him so that he would forever wander Teyvat.