Read manga: Kill The Emperor

manga
Summary:

"There can only be one sun.""Two suns will only burn and kill the empire's people."Alexar, the great wizard who commanded the empire, after being betrayed by his close friend Gillian Terzios who he trusted and followed, was reborn again as a master swordsman on the outskirts of a small country.Alexar, the great wizard, moves to seek revenge on Gillian, his close friend and the only nine-star prosecutor of the continent.