C14 Refined

In the cave, Xiao Yan took out the Fighting Monarch's body, the white jade bottle that contained the soul, and the monster core of a late 5-star Fighting Monarch Devil Beast.

A 5-Star Fighting Monarch's Devil Beast Monster Core was not the best. Of course, it wasn't the worst either. According to Xiao Yan's thoughts, The highest grade of the puppet he refined was a Fighting Monarch