Event: Petyr Baelish (Littlefinger) - Convincing Argument (Political Wins)
Episode 4: Book of the Stranger at 12:27
Littlefinger prevails over Lord Yohn Royce's protests, convincing Robin Arryn to mobilize the forces of the Vale against the Boltons, ostensibly to rescue Sansa Stark. "Our Lord has spoken. Gather the Knights of the Vale. The time has come to join the fray."
(Convincing Argument)