Great Tree of Avalon
Great Tree of Avalon volume 1
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In accordance with prophecy, Avalon's existence is threatened in the year that stars stop shining and at the time when both the dark child and Merlin's heir are to be revealed.
As the warlord Rhita Gawr tries to gather enough power to destroy Avalon, Tamwyn--the heir to the powers of his grandfather, Merlin--and his friends embark on separate quests to try to save their world.
In order to stop Rhita Gawr from destroying Avalon, Merlin's grandson, Tamwyn, and his friends, Elli and Scree, engage in battles with the warlord and his army of warriors underground, on Earth, and in the sky.