C270 Summon Heavenly Lightning

"Haha, ignorant kid, go to hell!" The black-robed old man laughed coldly.

The Underworld Soul Ghost King was extremely powerful, and the black-robed old man was only able to summon a portion of the Ghost King's afterimages, not all of its original form. Even so, it still had to pay a huge price, which was extremely dangerous.

With his strength, he could only summon it once a year