Today, I did a 50-map set geared towards dropping delirium orbs. I did this on a linear map (Strand or Beach are very good) so I could run to the end and kill every monster in sight without fear of losing the delirium mirror. The more maps you do, the more profit you get.
Original Idea: • Delirium & Beyond Rushing - Path of Exile ...
PoB: https://pobb.in/5T_3Tvu6zhdT
Atlas Tree: https://poeplanner.com/a/6JYZ