Shared Madness (Part 1)
"Yet only the World Tree can open a channel with the Sapling through the network. World Saplings can communicate between themselves except via amulets like we do." Aalejah said.
"Saplings can only use the network to contact the current Tree, and only if the Yggdrasill allows it. They spend their entire lives under the scrutiny of the Tree which uses the acquired knowledge to select their successor.
"At that point, a special link is formed between the current and future World Tree. When for whatever reason the Yggdrasill decides to pass the torch, usually madness or fear of death, they transmit their entire memory to their heir and with it the power to spark the transformation of a World Sapling into a World Tree."
"I still don't see how this is relevant for us, kid." Menadion scoffed. "Is there really a point to this story or do you just love the sound of your voice?"