Unter Morgen Monde (Under the Morning Moons) - S1.E2

During a deadly exchange against Rangzatz, Köinzell is thrust down to the depths of the underground monastery. However, Köinzell had visited this fortress with Ergnach in the past. And now, as Köinzell fends off the elite warrior monks, he releases the magic circle spell his comrade had once sacrificed his life to conjure.