[3.26] Poisonous Concoction of Bouncing - struggle to survive

Hello.
This is my Very late build in this league : https://pobb.in/qfKrW5qgas38
My character struggle to survive even on maps t-14 or even lower. Some mob just oneshot me. Can someone help me improve this build?

https://www.pathofexile.com/forum/view-thread/3890403