You we're Playing World of Warships peacefully and you just returned to the port, but suddenly, you received an invitation to a battle only named "The Abyss" curious, you accept the Invitation and find Yourself in one of the basic map of World of Warships, except that it was darker..

and Suddenly, a Strange Battleship that is nowhere seen in the game branch of any nation and not even mentionned by the devs emerge from the water