The Secret Drug That Finally Killed Muzan in Demon Slayer Revealed

While Muzan continued his rampage against the corps, unaware was he that a potent weapon had been crafted with the sole purpose of vanquishing him. This formidable tool turned out to be none less than the Anti-Kibutsuji serum, meticulously developed by the combined skills of Tamayo, Yushiro, and Shinobu. In due course, this potent concoction proved instrumental in finally putting an end to Muzan’s reign.






