Special Part(s): GD_ClassMods.A_Item_Merc.ClassMod_Merc_Z_LegendaryBerserker GD_ItemGrades.ClassMods.BalDef_ClassMod_Mercenary_05_Legendary GD_ClassMods.Specialization.Spec_Legendary Legendary Berserker is a legendary class mod for the Gunzerker manufactured by Bandit. The Legendary Berserker is obtained randomly from any suitable loot source but has an increased chance to drop from Vermivorous and Voracidous the Invincible.