Kaiu Yemon

Kaiu Yemon was a Kaiu Engineer of the Crab Clan of the 7th century.

Hidden vault
Yemon was recruited to build a vault in a desolate granite mountains. He built the outside walls and spared no expense to making them secure. He did not known anything more, because he had been blindfolded for over a week journey, and returned home after the work was done. The place Yemon built was known as Yemon's Legacy.

Death
Yemon was promptly kidnapped by a man with Shosuro accent. The Scorpion tortured Yemon until he would drawn a map of his part of the project. Then the mysterious Shosuro killed him.