Grenades Proccing Onslaught x3
With Golden Tricorn as an alternative perk in column 4, Onslaught instantly grants full stacks with grenade kills. Definitely a bug, as this effect is not in the perk description.
With Golden Tricorn as an alternative perk in column 4, Onslaught instantly grants full stacks with grenade kills. Definitely a bug, as this effect is not in the perk description.