Snowy Mountain Dream! - S1.E10

A Hero's Party always needs someone to maintain harmony amongst the group in addition to their leader. For example, in Yusha's party, Seira - or Ellenoar Seiran - served in this role. With her diligence and common sense, Seira was a key pillar of their otherwise freewheeling party. This particular tale is one of the priest Seira's lonely battle as she stood boldly against a threat that could have ruined their party... (Excerpt from "Heroes and Their True Companions -- In 999 Generations, There Are Sure to be Parties That Don't Get Along")