Hand cannon. 20% damage nerf. Fusion rifles. 50% damage nerf. Shotguns. 20% Damage nerf. Titan Shoulder charge melee. 60% damage nerf. Hunter throwing knifes. 60% damage nerf. When holding either special or heavy ammo, you take increased damage from all sources. Special, 20% increased taken damage from all sources. Heavy, 50% increased taken damage from all sources. Jötunn. in pvp it instantly blows up in your hands, killing you instantly. Ammo from both heavy and special is reduced by 50% Ammo no longer drops upon death. Exotics / perks that gives you health and or over shield on kills, is disabled in pvp.