Klad is the middle class level in Helios and like the Iduns, they also study in a classroom and share their living space. Along with the lower class, they make up the majority of the school's population. Students can achieve this title by passing the annual promotion test as an Idun. The next level after a Klad is a Hereis.
Known students in this class level are:
- ↑ Black Haze: Chapter 12