The Tree of Knowledge holds information about everything that is in, not or soon to be in existence. It is responsible for injecting sentience into drones known as the Sentinels and creating the Overlords. It can manufacture drones & gains knowledge about good or evil. It is in an unbreakable constant link with the Supreme Overlord. It is one part of the world tree's world. It is considered as the mind of the multiverse because the tree itself seems to be a sentient.