Best route to mothrakk for the skullmasher. You need to be the gunzerker and need to be able to double shot if you want to get there quicker. To double shot, you need to shoot reload, melee (to cancel the reload) and shoot again simultaneously. I bet you can do it with other characters, but it's easier with the gunzerker. Enjoy and stay tuned for more kawntent. Badass rank is off to show that i'm a boss and not modding or anything.
- Borderlands 2