In the Penultimate Chapter of the Aether Saga, the Primis and Ultimis versions of Richtofen, Dempsey, Takeo and Nikolai unite and travel to an abandoned Broken Arrow Black Site near Groom Lake, Nevada. With the fate of the multiverse at stake, our heroes scour the facility in search of the Elemental Shard - a powerful artifact with a pivotal role to play in securing a better tomorrow.—Treyarch