Gwendolyn encounters the Vanir's most powerful warrior: Oswald the Shadow Knight.
She attempts to defeat Oswald, but is quickly bested and pinned down herself. Oswald however hesitates to deal the finishing blow, and finally decides to allow Gwendolyn to live.
After coming to terms with her fate as a banished Valkyrie married to the shadow knight Oswald, she eventually comes to accept her love for him and becomes very protective of him
Helpers thanks Kanasaiii, Reiyu-verse, LennethXVII