Principality Observation (プリンシパリティ・オブザベイション) is a mid level angel, that can be summoned with a high grade spell.
This angel is embodied in armor with a long robe covering up its legs. It wields a huge mace made of divine power and equips a round shield with an image of the sun on its left arm. Compared to the Archangel Flame, this angel has four wings, given its rank is higher than the former.
A member of a class of Angels above Archangels of the Third Sphere, this angel is able to enhance the defensive capabilities of all allied forces within its line of sight, so long as it is stationary.
- In Christian scripture, Principalities refers to angels that assist in divine ministry with earthly rulers.