Rowen Hashiba, known as Tōma Hashiba in the original Japanese version, is one of the main characters in the anime series 'Yoroiden Samurai Troopers' (also known as 'Ronin Warriors'). He is the bearer of the Armor of Strata and represents the virtue of Wisdom. Rowen is highly intelligent with a keen interest in astronomy and science, often using his knowledge to aid his fellow warriors. His calm demeanor and strategic thinking make him an essential member of the Samurai Troopers, often acting as the group's tactician in their battles against evil forces.