sounds like you should easily be able to throw up the numbers needed for the mission.
my suggestions:
1. some epics still help, especially with ADPS like SHM and BRD.
2. Rk. 3 of old key discs, like take rog Knifeplay.. rk3 is super easy to get.
3. item buffs, like Jann's Veil, mount blessing...