Viper Nazi in Act 3

I died a ton of times the first time I fought her. It took me a while to learn the fight, now I can breeze through it without much trouble at all. The tips about equipping chaos resist gear for the fight really will help. It may just take a bit of practice.

I agree that Viper is the hardest boss in the first 3 acts. Easiest one to die to.

Whether she needs to be nerfed is another story.

Viper is insanely overtuned