Unchained OP spam > SC, should allow you to put up Maim easier as well.

If you're not wearing STR accessories, using those would help a lot with aggro generation.

Something to remember is you don't have to be miles ahead of DPS on threat, just enough that they won't pull off you.

Berserk pacification will usually help you with any TP issues in 4m dungeons, but if it doesn't that's more on the DPS for not killing the things quicker.