Halberdier Challenge Build Feedback. (Reposted)

SOH. On the wiki I placed a PvE challenge build that I thought was a pretty solid idea, and I was hoping for a bit of feedback and some thoughts on how to make the challenge more fun. Here's the page:

Halberdier Challenge Builds

((Yeah, I reposted it...put it in the wrong place like a derp so...here we go again!))

Ah! and while I'm on that note; if I manage to clear my Badass variant of the Halberdier should I go for making another variant with more restrictions?