So, we created a ranked tier list of all the primary weapons used in Helldivers 2 against each of the enemy factions. Best Primary Weapons Against IlluminateEach of the weapons featured in this tier list is in the order of strongest against the Illuminate to the weakest. Tier Primary Weapons S PLAS-101 Prifier, AR-2 Coyote, ARC-Blitzer, SG-8P Plasma, CB-9 Explosive Crossbow, R-36 Eruptor, VG-70 Variable, LAS-17 Double-Edge Sickle, FLAM-66 Torcker, and the SD-225IE Breaker Incendiary. Best Primary Weapons Against TerminidsAgainst the Terminids, the following tier list of primary weapons will be your best bet. Best Primary Weapons Against AutomatonsWhen you find yourself against Automatons, you might want to consider the primary weapons in the S-Tier.