C173 Heavenly Weapon Sovereign Technique Lightning Dragon Prison Domain

"What's going on?"

Seeing the fire source of the Golden Emperor Phoenix Heavenly Flame on the surface of the Blue Flame Ruler being swallowed by a Crimson Gold Flame, the Great Elder's face was filled with shock. The Grayflame Iron had the attribute of 'memory'. Therefore, he could guess that when Xiao Yan's Blue Flame Ruler was formed, he had injected the Monarch Flame into it. However