The Supreme Underworld King Episode 5 shows how Lord Opulence is none other than King Venom, also known as the dragon Slayer, who is a legend. Lord Dunn accuses him of being a fake, but soon Shadow, Ulrich and Comet, the three slayers, come to support Lord Opulence, proving his identity as the King of Venom. Misty is none other than the fourth Slayer.