C313 Macrostomia

Just as he steadied himself, one of the heads of the three-headed hound let out a low growl and spewed out a black mist from its mouth.

The three-headed hound was immeasurably tall, and its three heads were like giant stars hanging in the sky. At this moment, a black mist was ejected from above, causing the already dark sky to turn even darker, as if there was a big hole in the sky