grand caster (fate)
The antagonist of the first arc of Fate/Grand Order, responsible for the incineration of humanity. His true name is Solomon.
In actuality, Goetia took the form of Solomon after his death and impersonated him. He can be distinguished from the true Solomon by the extra lines on his face and his front braid resembling a demon pillar.
This tag implicates solomon_(fate) (learn more).