Kor'kron Dark Shaman
I ended up switching from BM to Surv on this because my raid needed more DPS on the adds.
Binding Shot will stun the slimes. Binding Shot is my new favorite talent.
I specced Barrage for this, but Barrage tends to find any bit of trash your raid may have skipped and pull it. (This may not be a problem for non-stupid hunters, but, well, that's not the case with me.)
General Nazgrim
Oh boy. Get ready to use every single one of your buttons, hunters!
Binding shot! It'll stun any of the adds. My raid split up stunning abilities, so our rogue would always lock down the sham