The Disturbing Ring of Mainza Justdoit is a 3817 years old piece made by Mainza Justdoit, a jeweler living in Sungbo's Eredo.
Considering its age and the quality of the work, people consider it of high value.
It is engraved with african patterns and some symbols pertaining to Shamanism.
This piece doesn't exist, but as a legend. It is said that in the year -1385, Yaro Justdoit, the owner, made use of it in Katsina-Ala to empower the Justdoit family. Now it is lost, or broken, we will never know.