Tyrant Shadow Sword

This is a handle sword, which was given to Zhuge Qian to refine during the period of six months when the top 10 rank disciples of sect were to go into the Martial Seal Boundary.During its refining it caused thunder tribulation four times,it was nearly destroyed, but Du Shaofu arrived at the moment shouldering the Thunder Tribulation with his own mortal body strength completing the refining of the sword.