This is typical accuracy stacker SH with Doryani's Prototype. Nothing special.
79% reduced projectile speed amulet was used in this video. Point Blank was not used. Despite 22M uber boss DPS on PoB, the actual dps would be a lot more.
Bossing: https://pobb.in/DvfB6RvPHDft
Mapping: https://pobb.in/fp-Rhm1JmQah
Cost breakdown:
1d- Brutal Restraint (should be more expensive for good dex rolls)
2d- Transcendent Spirits (Buy 2 sets of Tempered Spirit, Vial of Transcendence and Chronicles of Atzoatl)
1d- good roll Obscurantis (ice golem enchant is the best)
6d- Doryani's Prototype
3d - Abyss jewels
5d - Divergent Additional Accuracy Support
1d - Anomalous War Banner Support
Total 20 divines needed to start the build
Late game investments:
9d - reduced proj speed amulet (increased proj speed for mapping)
30d - Forbidden jewels
5d - Bottled Faith
And other altQ gems
Others all self-crafted:
Farm Reflection of Kalandra by rushing Atoll/Mud Geyser
Buy cheap rings with accuracy and 1x resistance mod (convert to lightning with harvest craft), craft mana cost or life mod and throw into lake.
Spam veiled chaos on Simplex Amulet and craft accuracy, throw into lake.
Always aim for positive accuracy on lake crafts.
Spam essence on belt, and get lucky hunter exalt slam.
Harvest craft accuracy enchant on claws and beast craft 30% quality.