How To Unlock All Skins In Prototype 2 -

Transforms Heller into a decaying, undead version of himself. 3. How to Equip Your Unlocked Skins

Several skins were originally released as pre-order bonuses or standalone DLC packs. If you are playing the Prototype Biohazard Bundle on PlayStation 4 or Xbox One, these skins are included on the disc automatically. Armour Heller (Colossal Mayhem Pack) how to unlock all skins in prototype 2

Modifies the visual appearance of Heller’s defensive shield morph. Sustained Chaos Pack Transforms Heller into a decaying, undead version of himself