Cook the Dragon, Cook the Phoenix and Eat the King

Cao Yang, who traveled to another world, activated the ancestral scripture and gained the ability to eat whatever he eats. Isn't the defense strong enough? I eat iron, copper, and pure gold. Not fast enough? I eat rabbits, wolves, and cheetahs. Not strong enough? I eat lions, tigers and dragons. I eat the sky above, the earth below, and the air in between. Uh, you ask me if I'm full? The performance has just begun!