parasitic armor -> ironclad charge -> iron skin
OR
parasitic armor -> iron skin
OR
ironclad charge -> iron skin
really depends on how much energy you have + how many enemies are grouped up together

boreal's hatred is a flex mod, feel free to replace w/ things like iron shrapnel, primed flow, etc.

for archon shards, you'll want 5 ability strength crimson shards

use whatever aura/arcanes you want