C551 Demonized.

The Dark Devil Dragon had occupied Nie Feng's body and sealed Nie Feng's consciousness. It had basically taken control of Nie Feng. However, what made the Dark Devil Dragon's head hurt was that it could not do anything to the Blazing Sun Medicine King and the Dark Night that were in Nie Feng's spiritual world.

The Dark Devil Dragon was not a soul. It was attached to Nie Feng's body with its body