Class item is Caliban/Cyrtarachne. This build is just meant to ad clear while you do mechanics in this dungeon. You can run whatever heavy weapon it doesn’t really matter. Chronophage roll is Destabilizing/Repulsor. Wishender is there to safely take out ads from long range.
Boost Volatile Marksman, Elemental Siphon, Maligned Harvest, and To Shreds.
Stat Distribution: Resilience 100 and Discipline 100. Focus strength if you can after those stats.
Video Link - https://youtu.be/MX3qXSNBuwE