Abyss of Darkness (commonly abbreviated to AoD) is a 2.1 Extreme Demon mega-collaboration hosted and published by Exen, who illegitimately verified the level on October 27, 2018. The level was verified by Cursed on April 3, 2022, after two fails at 95%. The level features extremely tight timings with no strong emphasis on one game mode. It received a decoration update on December 2, 2021, hosted by CDMusic. The level was rated on May 22, 2022.