- The Third Emperor of the Kralori
- He taught Heen Maroun the secrets and wonders of Enlightenment
- In return, Heen made Metsyla stay to teach others and serve as a living example.
- He built the Palace of Eastern Light
- He taught the Seventeen Lessions to Perfection
- He once invited NiangMao to his court to offer advice but was told to come to the Sage instead.
- He was drowned by Sea Gods.
- Known in the Eastern Isles as Osdero, the doomed ruler of Abzered
- He is worshipped at the Eastern Light Temple in Fengsheng
- His runes are Light and Mastery
Sources: Guide to Glorantha, Revealed Mythologies