Katerea Leviathan/Relationships

Old Satan Faction
Creuserey Asmodeus: Not much is known about the relationship between the two.

Four Great Satans
Serafall Leviathan: Katerea is great hated for her because she take her title and birth right.

Sirzechs Lucifer: Just as Serafall she looks down on him seeing the things that the new Satans have done to the underworld. Wanted to kill him and Serafall/

Fallen Angel
Azazel: Not much is known beside being emenies for more years.