Can You Beat Borderlands 2 Only With Chest Loot?

after two weeks of waiting we are finally bacc and i am leaving again for three because i have very important exams at school until june 7th
challenge rules:
1. only loot from chests is allowed (any chest except golden chest is allowed (not lockers or poop piles, only cash/eridium can be taken from them))
2. no badass ranks (BAR) (?)
3. golden chest obviously isnt allowed ;)
Explorers by Hinkik - / hinkik-explorers