Poisonous Tree (Part 1)
"Erlik's first attempt failed because the undead energy he planted sped up the decay process of the treehouse and allowed us to find him, but there's no telling how much knowledge he has acquired in the process." Leannan said.
"If he succeeds, he will become more powerful than any Sovereign of Laruel has ever been. I can only access to the Sapling's mana, whereas he would be able to access its mind as well.
"Millenia of experience, spells, secrets, and even the location of countless artifacts would all be within his grasp. Worst case scenario, Erlik will infect the Sapling with his disease and exploit its symbiotic abilities to take control of the Sapling's body without it even noticing.