BL2 - Leveling from 55-72 in UVHM

Hello fellow Vault Hunters.

I just completed the story in UVHM and am wondering what might be the fastest way to level to 72 solo.

Thanks in advance.

I can assume that completing Arenas (Finks Slaughterhouse, Natural Selection Annex, etc.) can be a decent way to grind up to your desired level. Worked for me a while ago. Though having to constantly update your gear might be a problem.

the bar fight is too