Dark Release: Hell's Seal

Dark Release: Hell's Seal is a powerful sealing technique which Shikyo Fushiawase created using his Dark Release, along with the Uzumaki Clan's Fuinjutsu, which he studied at some unknown point in the past. He describes it as the ultimate sealing technique, which can seal even the most powerful of beings and powers. The exact usage, conditions, and drawbacks of this technique have yet to be seen.