PoE Cast On Critical Strike, Nova builds

I had a weird idea today and tested it, the result can be found here: Explanation (this is complicated, ngl, somewhat long post incoming): first off, I did a Discharge of Misery CoC last league too, but with Cyclone as the trigger. After hearing all the talk of Lancing Steel of Spraying's usefulness for CoC I gave it a try. You can see the basic setup in the first part of the video, I just slapped those items on my Exsang miner and gave a Trypanon with Destructive Link to a friend to link to me so I h

I have pretty much everything I need to swap to LL except a belt. Crystal belts with 14% cooldown recovery seem to be absurdly expensive, so I'm trying to craft my own. I really only want a decent ES roll and 14%+ CDR on it (I'm already overcapped on res except chaos), and anything else is just gravy. Anyone have any idea how I would go about crafting this? I already have an ilvl 85 shaper crystal belt. I currently use Ice Nova of Frostbolts in my main CoC link and Frostbolt in my Cospri's. I see a fair amount of people using

Guard skill is not enabled

Looking for input on the following build. I filled in a passive tree and added the mandatory items I know of. I'm going for a Low Life Occultist that uses cyclone+CoC+cold dot. From how I picture this... 1) cyclone crits and causes cold snap to proc. cold snap generates frenzy charges. (inner conviction on passive converts frenzy to power charges which boost all spell dmg). 2) I hand cast vortex which is the primary damaging spell in addition to cyclone. 3) Cospri's Malice auto casts ice spear, frost bomb and vaal ice nova. 4) I've taken 2 curses - frostbite and elemental weakness whic