Wilhelm van Astrea

Wilhelm van Astrea, né Trias, is a member of the Crusch Camp and was Theresia van Astrea's husband. He plays major supporting roles in Arc 3 and Arc 5, a supporting role in Arc 9 and Arc 10, and he is the main protagonist of the Sword Demon Trilogy. In his youth, Wilhelm fought in the Demi-Human War, where he earned the title of Sword Demon. Following the end of the Demi-Human War and Bordeaux Zergev’s resignation, he was given the honor of being the new Captain of the Zergev Squadron, and later, the Captain of the Royal Guard. After his wife was killed during the Great Conquest, he vowed to a...

Wilhelm is a refined man with a highly gentle and humble demeanor. He tends to maintain a calm expression, and he treats the people around him with respect. He will also teach others how to use the sword if requested, which he did for Natsuki Subaru and Crusch Karsten. Despite coming off as a gentle...