PoE Summon Raging Spirit, Delve builds

This is my league starter Necro build for Affliction. I've been playing pretty much exclusively minion builds since Delve league. I've put together successfully, almost every SRS variation out there (I'm sure there's more variations that I haven't thought of, but every conversions at least - Fire/cold/light/chaos/phys/pop). This is built around the current new corps spectres auras. IMO, this is getting nerfed/removed next league. Just insane how powerful these corpse's are. I've also decided to stack some MF gear, since this is THE league of MF. Surely, I've sacrificed some damage in-li

TLDR: I'm not sure where to spent currency and have hit a wall in some content. I have a budget of 3 div and 1400c to upgrade the attached POB. Any advice is more than welcome! POB link: Summary: Hello! This is my first league, and I used a guide to clear 100 maps. At this point, I've hit a content wall in bossing. A Maven-empowered conqueror or delve 200 crystal king are running me over. I'm getting better at dodging, but don't think mechanics will carry me through ubers yet. Which brings me to a few questions: 1.

So we all know good old SRS. You have 20 of the little buggers, they swarm around headbanging things and living out their short blissful lives. Sometimes they even go out with a bang, and the sound of 20 skulls exploding multiple times a second is the good old SRS Popcorn. But what if the explosions were bigger? MUCH bigger? (tl;dr: 3.8 million current damage per SRS pop, could get up to 22mill under absurd conditions; pob: clips: mapping: harvest: and drox: http