Upgrading my flicker strike gear?

Hi guys, I'm quite new to this game, not a total noob tho. I have followed a few builds to 80+ with success and was just wondering if I can get upgrades on any of this gear since I want to spend some more money on this build.
Here is the guide I followed: https://youtu.be/C_ZKq2peJ0k

I am already aware that my belly could be 6l and better jewellery so if you have any specific suggestions that would be nice (don't just say "Get better jewellery"). Feel free to msg me in game if you have a response. Ty for any help!

Here is my gear