well, on your holy priest holy nova sequence, you could throw in a couple renews in there. as long as he's targeting your lock. That might make it work pretty well.

I just heal my locks with my tank, because when i resort to hellfire, it's a cluster____ and it's too hectic to do too much of anything.

I really need to get Octopus to do blizzard/rain of fire. it's hurting me a lot sometimes.