My Special Power Is to Communicate with the Underworld

Xu City turned into a battlefield of superpowers overnight, but I awakened the most useless superpower - communication with the underworld. Everyone laughed at me for not being able to summon magic weapons and generals. Until the ancient demon god broke the seal and millions of heavenly soldiers were defeated. I silently opened the door to the underworld, and a hundred thousand Yamas knelt down: "Master, please give the order to level the world!"