Tetrana is a small but ancient and prosperous kingdom. Its most distinctive feature is its strong caste system, which divides every individual into a rigid caste based on affinity to one of the four elements: Air, Fire, Water, or Earth. Each caste has rigidly defined roles and a strict place in the social hierarchy.
Most unusually, however, every 100 years a mystical Convergence of the four elements reshapes the structure of Tetranan society, allowing the caste hierarchy to be realigned... (read more)