C191 Design diagram for crystal cannon

"Bang ~ ~ ~"

Accompanying the terrifying sound of gunfire, the muzzle of the pitch-black muzzle suddenly shot out a beam of blazing fire. The next second, the bullet sunk into the metal plate, and the exploding flame runes hidden within the bullet instantly activated.

"Bam!" Fiery light blossomed, and the hard iron furnace was smashed into pieces under the loud explosion