Katerea Leviathan (カテレア・レヴィアタン)
Katerea Leviathan was a member of the Khaos Brigade's Old Satan Faction. She was a descendant of the original Leviathan. (Source: Highschool DxD Wikia)
Katerea Leviathan was a member of the Khaos Brigade's Old Satan Faction. She was a descendant of the original Leviathan. (Source: Highschool DxD Wikia)