After the intervention of Arthur, Gwyn and Gwythr agreed to fight for Creiddylad every May Day until Judgement Day. The warrior who was victorious on this final day would at last take the maiden. According to Culhwch and Olwen, Gwyn was "placed over the brood of devils in Annwn, lest they should destroy the present race".Culhwch ac Olwen, translated by Lady Charlotte Guest and sub-edited by Mary Jones.
after the intervention of arthur gwyn and gwythr agreed to fight for creiddylad every may day until judgement day the warrior who was victorious on this final day would at last take the maiden according to culhwch and olwen gwyn was "placed over the brood of devils in annwn lest they should destroy the present race"culhwch ac olwen translated by lady charlotte guest and sub-edited by mary jones