Assassin's Creed Crossover Stories is an upcoming cross-game event coming on December 14, 2021.
Ubisoft announced that Crossover Stories will introduce two new stories that explore the ties between Eivor of Assassin's Creed Valhalla and Kassandra of Assassin's Creed Odyssey, where we'll see the two heroes come face-to-face for the very first time.
The first story known as Those Who Are Treasured will be playable in Assassin's Creed Odyssey as a free download to anyone who owns the base game.
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