Endgame MS zenith

Hi,

need help with endgame zenith build.

Have around 600d budget and im farming rogue exiles. What would be best upgrade next, how do i survive better, how to generate fortify? Kinda stuck since this is my highest budget character ever.

https://pobb.in/nP6ulIJ71_Ub

EDIT:
post sublime vision purity of fire pob
https://pobb.in/u7XpvXnKcQDB

Edit edit:

FF gems added

https://pobb.in/9TI60NjhbIw2

edit edit edit:
Osin added
https://pobb.in/jiaQ727hJzI3