User blog comment:Twilight Despair 5/Oldest Enemy or Species./@comment-80.202.134.182-20120514014427

Seraphs

Seraphim (singular "Seraph"), mentioned in Isaiah 6:1-7,[3] serve as the caretakers of God's throne

Two of the Seraphim are named Seraphiel and Metatron.

Metatron :) maybe a fight betwen Seraphs and Leviathans?