Crystal in the Dust (A Monster You See In the Reflection)

But those with nothing to lose do whatever they desire; no matter what Katsuki did, Shigaraki would've come charging in anyways, a gun to the enemy and a bullet to his chest. "Sh*t." Katsuki swallowed, his wrist swollen, as spectrums of supernova explosions engulfed his surroundings. It was no use- they barely tainted Shigaraki and his indestructible mockery of flesh. Smoke and blood burned his nostrils, as Mustafu was left to ruins in his wake. AU: Sometimes the problem is your drive all along. In which Izuku and Katsuki both think they're the problem.