For Hyperion, you just need to have plasma, be patient, and use maximum health level 4 rocket hull, i got past him on my second try, he's easier than 3rd boss in my opinion, just be patient and FOCUS EVERYTIME YOU ARE ON TROUBLE
I was trying for 4-3 challenge on my second paradox, then i realized it was nearly impossible with friendly fire perk, whenever i try to kill, they just shot themselves, leaving no chance for weaker weapons
I'm just thinking here that the plunger reload speed at the start is really slow, like, when i'm reloading, 32094109284 guys come out of nowhere and shoot lazors at my house o.ô