The Oversurrector first view

The Oversurrector is (what I believe) to be an original concept which consists in sacrificing one of your weapons to unlock its "hidden" power, and thus is classified as a super weapon (just like the Redeemer). This is supposed to be the "magic" weapon of the final version of the pack.

Source:

http://www.moddb.com/news/the-oversurrector-first-view