And, so, they were blasted back by immense gouts of thunder and flame. The size of skyscrapers, you only needed to look upon the attacks once to realize what they are.

Ultimate-Class Circles, the most powerful spell arrays that can be used by those who are not Sorcerers.

If a High-Class Spell is considered an attack from an artillery piece, then an Ultimate-Class Circle is easily the range of a small-scale, nuclear weapon. A single blast can wipe out a city district. Not sustained fire. Just a single casting of the spell.

- AGG:CORE Operation Midnight Sun (Godlike)