A Crimson Lord (紅世の王, Guze no Ou), also simply called "Lord" (王, Ou), is an existence, amongst the Crimson Denizens, possessing great power. Because of their large existence, they require a lot of Power of Existence to continue to manifest themselves in our world. They also have the power to move between worlds freely. But in the war to protect balance of worlds, those who have Flame Haze and protects both worlds are called "Lords" , while Denizens are entitled to those who consume existence to live.