The Uber version of the Eater of Worlds is accessed via the "Screaming Invitations" when the "Thirst for Knowledge" Atlas Passive is allocated. It is highly sought after for several reasons:
Some popular builds for Uber Boss farming include: uber boss farm poe best
So, before you ask what the "best" build is, ask yourself: What kind of farmer are you? The Uber version of the Eater of Worlds
Before attempting to farm Uber Bosses, make sure you have: make sure you have: