It is implied Kosair Trovi has always had an especially fiery attitude, possibly always landing himself into fights while growing up. As an adult, he was sent to protect the border of the Eastern Empire from the Springwater bandits in order to keep his rambunctious tendencies away from the capital. Kosair has a very aggressive, fiery, and intimidating temperament and isn't above doing particularly cruel actions. He is a powerful fighter due to his natural aggression. However, Kosair can be charm