One third of Satania’s supervisor seraphim were lost in the Lucifer rebellion, while the supreme order of seraphim remained faithful, but a group of the superior order and a few of the supervisor order were deceived, with the most significant losses occurring among the administrator angels. [1]
Supervisor seraphim, assigned to constellations, work extensively throughout Nebadon to serve their designated realms, ensuring unification, ethical appreciation, and smooth transit for the inhabitants. [2]
See also: UB 39:3.