Borderlands 2

[Douglas]

I forgot about the shield specific challenges. Though that reminds me of another question. Do you get anything for completing the Cult of the Vault? Or is it just more badass points?

Just more badass ranks, as far as I know. Considering the permanent tied-to-account nature of those that's still a pretty good reward, though.

I kind of want to get two awesome Torgue Shotguns with low magazines that explode when you reload them just to see if those guns actually become viable in gunzerking.

The explode on reload thing is exclusive to Tediore.