Daemon/Devil Lord

The Devil lord is the evolution of the Demon Peer and the highest known form of evolution a Demon can achieve. It's assumed that the only way to evolve into a Devil lord is to awaken into a True Demon Lord

The only currently known Devil lord is Demon lord: Guy Crimson

The previous evolutionary stages of a Devil lord include: Lesser Demon, Greater Demon, Arch Demon and Demon Peer