I forget what the posion nova damage was because I wasn't going for best build, just max damage. And since psn exp isn't viable for pvp, you'd have to check it, but here's the build.

http://zelaron.com/forum/showthread.php?t=26464

But come on, if I wanted to make that viable, I'd just switch the bramble for enigma, and bone wall/iron maiden/teleport/poison nova. What would a barb do?

What is it they say about silence being golden?