Cetrion du Olsterio

Cetrion du Olsterio (セトリオン・ドゥ・オルステリオ, Setorion du Orusuterio), is a character in the "Skeleton Knight in Another World" series. He is one of the three royal generals of Rhoden Kingdom and the heir to the Olsterio Dukedom. Later, after the assassination of Dakares and his father Maldoira, he becomes the Duke of Olsterio Dukedom.

Appearance
A brawny man in his thirties, who usually wears the lieutenant general's uniform. He supposedly looks like a younger version of his father, Maldoira.

Light Novel Volume 01
Dakares learning the death of Tryton du Diento who was his biggest financial backer in his bid for the throne had a private meeting with Cetrion and his father. To prevent their dealings in Diento being exposed, his father arranges for the new lord Orhevo to be silenced.