C3562 Killing Black Tortoise Thunder

Then, a terrifying cow's roar came out of his mouth, and a terrifying sound wave spread in all directions.

He happened to be in the mouth of the Black Tortoise's head, and this terrifying sound wave instantly shook the Black Tortoise's body.

One could see terrifying sonic waves heading towards the Black Tortoise's throat; in a flash, these shockwaves reached the Black Tortoise's body