The two most recent Assassin's Creed games are crossing over. Assassin's Creed Crossover Stories arrives tomorrow for both Assassin's Creed Odyssey and Assassin's Creed Valhalla and will pit Kassandra and Eivor against each other in mortal combat. And best of all, both DLC will arrive tomorrow as a totally free update.
If you recall from the end of Assassin's Creed Odyssey, Kassandra became immortal after obtaining the Staff of Hermes Trismegistus, so it's possible for her to have met Eivor
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