Yggdrasil’s Gardener
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There was only one Spirit Tree in the world, in a faraway land where Elves existed. However, thanks to the small branch that became a staff that Eric's ancestor brought, the possibility to expand the World Tree became a reality. It was rather simply to cut down a large piece of the original tree we grew up and then plant it around and use the same spells to make it grow into a big tree.
These spells were too exhausting, so we couldn't do this daily, and to not make it too weird, we ended only doing this once every two months. The forest wouldn't be able to stabilize with so many of them popping out daily, so we had to do it slowly. Nonetheless, we did a fantastic job. The entire forest was already renamed by the King as the "Ellergest's Spirit Forest" and was regarded as a National Treasure by itself.