Storm Diver's Additions Mod/Prototype Grenade

Prototype Grenades are a special ammo used solely for the and the. They can be found along side the Prototype launcher in locked golden chests in a stack of around 52-80, or purchased from the Demolitionist for each if the player has either launcher in their inventory.

Trivia

 * The Cryo Launcher used to use its own ammo called Cryo Grenades, but they were removed and Prototype Grenades took their place for it.