PoE Summon Raging Spirit, kapectas builds

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