Myst III: Exile
This mysterious man is called Saavedro. Twenty years ago, Atrus's sons Sirrus and Achenar made a mess of his homeworld and then trapped him on the lesson age of J'nanin. For Twenty years Saavedro has suffered the horror of believing that all of his people living on his homeworld are dead. Now, Saavedro is taking revenge on Atrus and his family, for the suffering he has had to endure.
Edited from original source: Wikipedia
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