Juggernog Bottle

The Juggernog Bottle is a special item featured in Blackout within Call of Duty: Black Ops 4. It is used to unlock "Tank" Dempsey as a playable character.

Overview
The Juggernog Bottle is located at a fixed spawn location within the Diner area of the Nuketown Island bunker, and can be found on a small bar along the room's central pillar next to a small radio. When the player obtains the item, they will start the Character Mission to unlock Dempsey. The challenge simply requires the player to achieve a grenade kill with any type of grenade and finish the match with the Juggernog Bottle in the player's inventory. Upon returning the lobby after completing the requirements, the player will be rewarded with Dempsey as a playable character.