Hi and welcome,
From what it sounds like, you are trying to deal with physical immune guys on a WW fury. WW=werewolf. In 1.09 I like buriza but now especially in 1.10 I think you can do better. For one thing there are better weapons out there now that dont require you to get dex at all. 50 points is alot to spend and since no-end game WW weapon will require that dex, its a waste. Find other alternatives first.
Sine I do not know your build or your level or your wealth or your equip here are some suggestions though blindly given:
IK Maul 4 piece setup
Lightsabre
lacerator
glimmershred
Atamas Ammy
Martel De Fer
Demon Limb
Nords Tenderizer
erc.....
The best advice is given if you give more info. Like tell us a brief description of your "build type", your "goals", your "wants", and your "help me with".