Ancestor of Demons

"The ancient demon gate, be one with me and use my magic. Fall and live forever!! all creatures will live forever in fall. I am the supreme fallen emperor in ancient times - seven nights."

The eye pupil of the seven night devil emperor was shrinking violently, and he clearly felt the great power emitted from the devil killing spear. The will to kill the devil contained in it, with the terrible power to destroy some demons. He had natural restraint against the demons, just like a natural enemy of fate. He had you without me, I without you.

Once they collide, either you die or I live. Absolutely not