Tears to Tiara

The Song of Origin (1x21)

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Arawn becomes the 12th Angel to replace Myrddyn but he leaves Heaven after realizing that the other Angels have placed humanity under mind control again. He then frees Primula but as a result is cursed by the other Angels by being banished from the Heavens and losing his light. After seeing Arawn's past, Taliesin knows what he has to do. After parting with the baby dragon and leaving the cave, Taliesin gets his first look at the enemy. Elsewhere Arawn and the others defend the giants as they try to start an avalanche. Immediately after the avalanche starts, it is stopped by the snowstorm picking up. Realizing the Spirits are behind the snowstorm Arawn decides they will have to face the enemy at the foot of the mountain. Taliesin then uses the Song of Creation to end the blizzard and starts a new avalanche, destroying the Dark Army, but is seemingly killed.