PoE Item Rarity, Cold, Duration builds

TL;DR| Pob link here: ---|--- Quick Explanation | A level 24 creeping frost skill gem is used to simulate the expected damage of a level 20 FB skill gem (based on comparisons with Searing Bond.) On Shako, I've added a 410% more damage over time modifier to simulate the level 30 version of the skill (based on searing bond's scaling.) There is a non Shako version under the Default tab, which is just a down-grade in practically every regard. Both use Supreme Ostentation, because league reasons. Build is fully built, but not optimized. There is almost certainly better

4.3k life, 2.1k es, 100% supress, 25k eva. Pretty happy at 60% delirious, but struggles at 22+ simu. I have a pretty good investment into this - and sitting at (maybe?) about 7m base dps, 12m if I swap in barrage. I've been very conservative with hits from the manaforged arrows, and not even considered the avian aspect damage. The damage definitely feels good, but I want to push it a bunch, and I'm really struggling to figure out where to invest. I can see a few obvious upgrades - double corrupted shapers touch, corrupted or