PoE SSF, Attack builds

Looking to play Blade Flurry with these swords and can only seem to get 400k shaper dps out with my current PoB setup. I've not made the character yet as i'm not sure where i can push to improve dps other than farming a Xophs blood (ssf). My PoB has gear i can use currently but i cant see how i could increase this past around 700k shaper dps honestly. Anyone played with these 2 before and know where to push dps out of them? Or should i just scrap it and play with different weapons for end-endgame? Also, not sure how much of a dps increase Tectonic slam would be. I see every single build with

Rate my build! I found a Debeon's Dirge in Delve SSF, so I was thinking of making a build with it that would be pretty powerful and also satisfying to play. I tried a couple of different things but they all seemed to either have insane gear requirements or lacking defenses in some way or another. &x200B; So I settled on going for Raider! With a two-hander... and RT? It's a strange build overall, but I was surprised with how much life I was able to squeeze out of it while still getting Acro/Phase Acro. The biggest weakness is managing to meet the Int requirement without going crazy...