Building around aspect of the spider and void batteries

Main items:
https://pathofexile.gamepedia.com/Fenumus%27_Weave
https://pathofexile.gamepedia.com/Fenumus%27_Toxins
https://pathofexile.gamepedia.com/Fenumus%27_Shroud
x2 https://pathofexile.gamepedia.com/Void_Battery

Skill tree: https://www.poeplanner.com/AAwAAPUADCYAAHffiukCS64bJdlbbRkRUKcrNbkdTyL0bAuTJ--I-TfXz0mxl_RSUz1fl5VMs9Af7-sgblAwrrNBltD1BUI7DREPrJj314RIXGvDbX_GwcXsGI_6LL_w1UlR6_VknfIdEZYOSLcwFAkTbSaIXfIqC3BSidOMNuOEDdFjQxvItUjP3fGK62MRLysKdoLIDLTRFr9qjPVvyBSi2bDYXECHy6ebdZ7PFVS9Fe2Wi9W5m6GPRh0U-tJmnhZAhX2OZPemtvqnCOvuHNyPGjLRRUfAZjwF73yf376KoS9yD5RvZlSRR4CzCSDf8_mkcNRMg3SBAAAAAAA=

About skill tree. A lot of options to build around trickster, assassin and occultist subclasses. Also CI or LL versions. Need some advices about it. Mayb i should change body armour, but dunno how increase aoe and increase aoe support gem will work with that.
Main skill will be Bladefall/EK/BV. Don't know what to choice.

someone?