So with controverse applying weaken to all chaos accelerant overcharged grenades their are a few standouts that nuke mobs like handheld scatter and axion if your looking for a huge orb generator axion is your friend with 3 firepower allowing you to create like 4 orbs per grenade in a 4 second window it also does around 6-7 hits if it lands directly next to a boss each one hitting for 1200-1500 before the weaken procs