The Tale of the First Battle reveals that Kurakil, the Demon Princes and two other demons named Rivel and Akragog where tasked to watch over Time during the First Battle, until it got destroyed by the Gods. The Tale also states that the Kurakil, Rivel and Akragog were of equal rank as the Demon Princes themselves, though it does not precise whether they are of the Snake Demons' or the Night Demons' rank.