Copper Demons

are a family within the Demon Clan.

Appearance
They are large, bipedal demons, with their eyes set level to their mouths. As the name suggests, they are copperish in color.

Corand arc
A Copper Demon is seen terrorizing Pelliot's village next to an Ochre Demon. When the Seven Deadly Sins appear, the Copper Demon is easily killed by King using his newly dominated true Increase. King states that the demon was very weak and that's why he was able to kill him so easily.

Prelude to the New Holy War arc
A Copper Demon appears among a battalion of demons that was being fought by Guila, Jericho and Howzer. The demon manages to catch them all and proceeds to devour their souls, but before it is destroyed by Sariel's Ark.

Current arc
Several Copper Demons are part of the Demon Clan army that is faced by the Holy Knights during the Holy War. One of them manages to strike a blow to Deathpierce, but is then killed by Waillo. The others are quickly eliminated by Diane.