C340 [fight Head On]
The rock ruler was covered in a thick black gas, and the black gas was like hot oil that kept on bubbling. When the two collided, the huge tail of the Nine-head Flood Dragon collided with the stone ruler, causing an earth-shaking sound.
Accompanied by an earth-shaking sound, a powerful shockwave swept out from the point of collision.
Wherever the shockwave passed
