When the chants and creation of images had ended, the magic created flowed like running water, tearing open a space in the air to open a flash portal. There was a deep and chaotic atmosphere coming from the portal like an abyss. An arm thicker than an ordinary person's waist stretched out. On it was a thick layer of nails and many spikes that looked extremely menacing. The owner of the arm, a demon with five arms, four legs and two brains, passed through the door with a strange growl.