Rhita Gawr

 Rhita Gawr is a powerful spirit and the god of war, although most flamelons think of him rather as a god of renewal and conquest. He is Dagda and Lorilanda's eternal enemy, and an enemy of Merlin, Basilgarrad, and Tamwyn as well. His greatest desire is to conquer all worlds, and to do this he must first take control of the in between places: Fincayra and later Avalon.He has very powerful dark magic.