Molten Strike of the Zenith . This projectile-stacking nonsense scales damage to 100 million+ while leaving you nearly unkillable. Downside: It is expensive. The Original Sin ring alone costs a mirror. However, Toxic Rain is a budget alternative that still farms Ubers safely, if slowly.

Uber bosses deal significantly more damage than their base versions (roughly 70% more damage and significantly higher health).

For those who prefer a tankier approach. Using Nimis (which you can farm yourself), this build becomes an unstoppable force that can face-tank many of the boss's smaller projectiles. Atlas Passive Strategy

is heavily gated by mechanics and floating storms, scaring off the average player . This keeps his fragments dirt cheap. Key Drops: Awakener's Orb:

Do not run Uber Exarch/Eater unless you have 30+ invitations to burn. The variance is high, but the "Nimis" drop (1/60) evens out over large sample sizes.