Demon King

Before the first war of all time, he was the ultimate evil. He lived in the demon cave, placed in a different universe, prisoned there by the Magic Goddess. After she was defeated he was put to sleep. Forever. No one knows what terror would he bring to our galaxy if he would get out. He is seen as someone even stronger than Dark Lord. He has an army of different demons, from typical brutes, to creatures that are able to control minds and bodys of their victims. Demon King himself is also very powerful. He has the ability to shapeshift control minds, teleprot, he can shoot Red Energy and create shields with his staff.