Journey with Sein Arc

The Journey with Sein Arc is the fourth story arc in Sousou no Frieren.

Prologue
Twenty-nine years after the Hero Himmel's passing, Frieren, Fern, and Stark are in the Alt Woods. After being snowed in for the winter in a cabin at the base of the Schwer Mountains with the travelling elf Monk Kraft, the party passes through the Village of Swords in the Schwer Mountains and the Appetit Region in time for Stark's birthday. While travelling through the woods, Frieren encounters the Priest Sein in a bottomless quagmire.