Explore Act 3 or Begin 4.2?

Gentry2099

I recently finished 4.1 (On my alternate accounts) and I was wondering just to play it safe, to explore act 3 or begin 4.2? I can give my roster (If needed) I’ll show my roster here!

Thanks for the help and tips!
-Gentry2099

Gentry2099

Here’s my roster!