The Sacred Blacksmith S01 E11 Truth

Following the revelation that Lisa is a demon, Cecily begins to avoid both her and Luke. However, she soon realises how foolishly she has been acting when she is invited to attend a conference concerning Valbanil and the Sacred Sword, which Luke and Siegfried also attend. Unfortunately, the revelations at the conference only serve to fuel Siegfried's anger and he decides it is time to put his plans into motion.