He's one of the Three Sages of the West nicknamed as the "Emperor of the Crimson Sky".
He has the same personality as Shion, looking down and talk somewhat big. But he can be calm and laughs every time when someone says his current title. However, when it comes to achieving his goals, he can be ruthless as he would try to kill Emma for benefit of the world. His hate for Shion is extremely big after that he turned down his offer. His hate is extremely strong against him that he will kill him and everyone around him.
He and Garnett are both royal mages of the "Skull Eye Kingdom" which that they are also heroes and archmages. Thanks by his powerful magic, Zodia commands various of agencies of the country which he is the facto national leader. Known is that thanks by him many kinds of wars where be won by him because he leads it. Known is that he also uses his magic to make cities more convenient which he isn't reverted by his countrymen but by his enemy states.