The Book Eating Magician - Chapter 316 - Towards the World Tree (3)

... him after saving Ellenoa and given him a gift from Elvenheim. That was the seed of the world tree which Mitra had eaten. Theodore’s gaze naturally shifted to the top of Mitra’s head. The sprout of the world tree, the source of all life in the Great Forest, was growing from her small head. If that bud was recognized as the world tree, then it was no wonder that Mitra had power in the Great Forest.

The world tree, Yggdrasil—in the Age of Mythology ...