Help with a mjolnir build.

Hey everyone, I am trying to recreate a build i used to run many leagues ago but not many people have run them recently or updated many guides. I tried recreating the build with some new cluster jewels added to see if the build has any promise. The clear on the build is pretty nice, but the only problem is the boss damage seems very low and I have no clue how to increase my DPS any further on the build. Ill post a POB as well as the gear included down below and if any you comment with any upgrades or boosts to help my damage I would really appreciate it. Thanks!!

POB:
https://pastebin.com/zR9ZSucg