Makign a PvM Nova Sorc and looking for an Energy Shield CTA.

Someone offered to sell me a 2 ES 6 BO CtA... my question is, do i need to hold out for a +3 ES base or is +2 enough? Im currently using a 9ES memory (and no CtA), which gets my ES to 94%, so obviously with the CtA staff i would be sitting somewhere close to 90% probably... is that worth the life i'd get from BO?

Im really not gonna bother with Memory PLUS CtA/lidless... just seems annoying to do all that swapping every run. lmk what you all think is better, stick with 9es memory, or go with ES CtA. If CtA, is 2 enough or wait for 3?

Thanks

If you’re all in energy instead of vitality, higher ES is more important.

That said, I think it doesn’t matter that much

Bo makes kind of a big difference imo in pvm in terms of survivability so CTA is a must if you can afford it
I would probably not waste time with precasting in pvm, but a precast using only memory takes like 10 secs and lasts the whole game so its your choice...
Difference between 94 and 91 es isnt much

Bottom line:
You need a cta; if you want an es staff cta you can carry around sure
Use memory based on your motivation