For a card usually referred to with this archetype's TCG Name, see Supreme King Z-ARC.
"Supreme King Dragon", known as "Supreme King Servant Dragon" in the OCG, is an archetype of DARK Dragon-Type monsters used by Zarc in Yu-Gi-Oh! ARC-V. It is a sub-archetype of the "Supreme King" archetype.
With the exception of "Darkwurm", "Supreme King Dragon" monsters appear to be corrupted versions of the Four Dimension Dragons, characterized by having glowing green bands with orange blotches running over their bodies.