Demon Slayer

Five minutes remained until dawn. The anxious Muzan Kibutsuji unleashed his third all-direction shockwave. Only now did he finally realize that his strength had greatly diminished. With his abilities, he should not have been limited to only three attacks of this caliber over such a long period. Naturally, this was because Tamayo's aging drug had aged him by more than nine thousand years. Even as the Demon King, losing so much life force in such a short time was difficult to endure.