This hero tells a story about three springs: consumption of one will  cause sudden death, another will cause death by hunger, and the third  will give eternal youth.
This hero tells a story about three springs: consumption of one will  cause sudden death, another will cause death by hunger, and the third  will give eternal youth. In another story, this man saves his life by  correctly stating there is a red dragon and a white dragon below a pond,  upon which a building was going to be built. Before telling that story, he  was going to be (*) sacrificed to ensure good luck for that building. He is said  to reside in a rock tower or in a tree due to his wife Viviane. More  traditionally, he participates in the seduction of Gorlois's wife Ygraine, by  giving Uther Pendragon a disguise. For 10 points, name this wizard from  Arthurian legend.
This hero tells a story about three springs: consumption of one will  cause sudden death, another will cause death by hunger, and the third  will give eternal youth.
Merlin