PoE Douill0s builds

Hey, Threw together a Pob for a gladiator with physical minions. The idea is a 6 link Dominating blow, 6 link summon reaper (squire) and herald of purity. Looking to use the new bleed dps and gladiator bleed pops (triggered with gravebind). My main concern is the investment to dps ratio. It seems solid defensively with a 90% phys reduction, res cap, 6k life, spell suppress cap. but I'm only at 2.4 M dps non boss dps with a fair amount of investment. Keep in mind I play HC so im definitly not going glass canon and prices are rougher than SC. Another concern is the leveling process because y