Listen to What Have They Done To Us (from the series Arcane League of Legends) online. What Have They Done To Us (from the series Arcane League of Legends) is an English language song and is sung by Mako and Grey. What Have They Done To Us (from the series Arcane League of Legends), from the album Arcane League of Legends: Season 2 (Soundtrack from the Animated Series), was released in the year 2024. The duration of the song is 1:59. Download English songs online from JioSaavn.