This episode is part of the "Farmland Arc" and focuses on the tragic fallout of Ketil’s internal collapse and Thorfinn’s evolving pacifism. Vinland Saga Season 2 - Episode 18 discussion : r/anime
: The transition from naivety to cold, calculated leadership. The title "Out of the Cradle" refers to Canute finally leaving behind his protected, childish existence. Season 2, Episode 18: "The First Measure" vinland-saga-episode-18.mp4
Depending on which season you are watching, "Episode 18" marks a massive turning point for the series' major characters. This episode is part of the "Farmland Arc"