He was randomly dishing out heavy blows with his hammer across the entire body of the dragon piling up damage on it.
Each time a blow lands, an unpleasant sound *bakibaki* escaped. (T/N: Sound when something is cracking/breaking)
Because of the overwhelming pain and rage, Grade Grande raised his severe roar towards the sky consecutively merely tearing up the air.
“Incredible…” (Wendelin)
“There is still more to come, such a level is nothing yet…” (Burkhart