Huaiyan

怀炎 / カイエン

Huaiyan serves as one of the seven Arbiter-Generals of the Xianzhou Alliance's Cloud Knights and holds the position of Master of the Zhuming Artisanship Commission.
Characterized as "strong and righteous," Huaiyan governs the Xianzhou Zhuming, with his headquarters located at the Flamewheel Forge. He is reputed to be the oldest living human on the Xianzhou. He possesses unrestricted access to visit the Flint Emperor, who is held captive within the Flamewheel Forge. He has an adoptive granddaughter named Yunli, who has practiced swordsmanship since childhood and enjoys collecting swords.