Depending on whether you are watching Season 1 or Season 2, "Episode 3" of marks a critical turning point for the protagonist, Thorfinn, shifting him from a sheltered life in Iceland toward a brutal destiny or forcing him to confront his own lack of a will to live. Season 1, Episode 3: "Troll"
: Bjorn , Askeladd's second-in-command, consumes a berserker mushroom to test Thors’ legendary "Troll of Jom" strength. Thors responds by jumping onto their ship and defeating several attackers barehanded, adhering to his non-lethal philosophy. Season 2, Episode 3: "Snake"
: The episode heavily explores the value of life and death , contrasting those who fear it (Olmar and Fox) with Thorfinn, who has lost all will to live. Series Production Overview Vinland Saga Season 2 Episode 3 Review - But Why Tho? Vinland Saga Episode 3
Set years later, this episode focuses on Thorfinn’s life as a slave on Ketil’s farm and his profound psychological trauma.
This episode serves as the catalyst for the entire series, as Thors' past finally catches up with him. Depending on whether you are watching Season 1
: The episode introduces Snake , the leader of the farm's "guests" (guards), who intervenes to stop the abuse.
: Two retainers, Fox and Badger , take Ketil’s son Olmar to a fighting ring to toughen him up. After Olmar fails to prove himself, they decide to use the slaves for "sword practice". Season 2, Episode 3: "Snake" : The episode
: The mercenary leader Askeladd accepts a contract from Floki to assassinate Thors . Floki’s motive appears to be a long-standing personal grudge against Thors for deserting the Jomsvikings 15 years prior.