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Alongside his old Mentor, the blind Torgny, Thorvald fought against Styrbjörn the Strong as the Brotherhood suspected that the fearsome prince and his ally, Harald Bluetooth, were affiliated with the proto-Templar Order.
Thorvald, like some other Assassins, possessed the ability of Eagle Vision, though he referred to it as "Odin-sight".
- He is an ancestor of Javier Mondragón, a 21st-century teenager.