The Devil Hunter: a DxD & Arena of Valor Crossover

After defeating Maloch, The Merciless, Valhein or Nethra fell to the ground and was transported to another realm and met a certain raven-haired girl when she was still a child. How will this affect the world? Follow Valhein, the Demon Hunter, on his journey in this new world (THIRD PERSON VIEW IS BACK)