Spriggan 12

The Twelve Shields of Sprigan (餓狼騎士団 Garō Kishidan) is an elite unit serving as the Emperor of Albareth Empire, Sprigan's personal guard.

Overview
According to Hyberion, the Twelve Shields are noted to be extremely skilled mages, powerful enough to be on par with the first God of Ishgar, God Serena, who also defected from the Magic Council to join them.