Invincible Irregular [Tower of God x Invincible]

It was another normal day in the life of Mark Grayson... Not! Finally he got his powers today, and Tomorow was supposed to be the start of him taking a step closer to achieve his dream. But now he finds himself in this bloody damn Tower. "Oh well, I got my Viltrumite powers. At least, it got to count for something, right?" This is the story of a Monster in the Tower.