[2.2] CI + ZO Caustic arrow ?

Hello everyone,

I’m a pretty new player, having started some 10 days ago and currently levelling a firestorm witch (pewpewpew build).
I’ll be rolling a new HC char in Ascendancy (been playing HC in d2 and d3) and would like to try a 2x curse CA CI witch. I have two versions in mind
- ZO
- Dirty techniques, evasion & +1 FC


Links would be as follows for both builds
- Bow : CA – Void Manipulation – Rapid Decay – Concentrated Effect – Slower Projectiles / Pierce – Empower
- Armor : Frenzy – GMP – Curse on Hit – Chain – Vulnerability – Temporal Chain
- Helm : Grace – Clarity – Arctic Armour – Enlighten
- Boots : CWDT – IC – ID – Vaal Grace
- Glows : Faster casting – Wither – Spell Totem + Blink Arrow

Ascendancy : Occultist : Profane Bloom + Vile Bastion

Specific unique stuff : Soul Strike, (The Blood Dance for +1 FC version)

Please use Emmitt's latest PoeSkillTree to open the links
https://github.com/EmmittJ/PoESkillTree/releases

ZO tree
poeurl.com/xoR

Dirty techniques, evasion & +1 FC tree
poeurl.com/xoS

I’d gladly take some advice on the viability of the CI path. I really like how you gather much more chaos dmg, solve the mana issue (?), and pick up CI.

Specifically:
- 3 Auras sustainable ?
- No Pierce, no drillneck : problem? Taking the Pierce wheel useful at all ?
- Enough Eva / ES / ES regen for HC ?
- Witch/Occultist is Fine ? the tree is easily adaptable for shadow (Trickster : Shadow Form + Patient Reaper)
- Lack of socket other than EfW: problem? I obv won’t play with Hidden Potential


Thanks everyone for your comments !