Muzan had never expected to walk straight into a trap the moment he arrived.
Nor had he expected Tamayo to shoot a barrage of potions into his body.
The main reason he had brought those potions was to deal with that guy once he entered the Infinity Castle. If that brat drained the energy from his blood again, the potions could help him recover quickly and prove immensely useful.
Instead, he had ended up using them here to counter Tamayo's potions.
Still, it was no great problem. He had two more bottles inside his body, more than enough to deal with that brat later.
"Muzan Kibutsuji, you even prepared for this..."
Staring at the man before her, Tamayo gritted her teeth. Muzan's caution had exceeded her expectations.
"Hahaha! You pathetic Demon Slayers! Today, I'll wipe you off the face of the earth!!"
Muzan roared with vicious laughter. Compared to his strength, the so-called nine Hashira of the Demon Slayer Corps were nothing but feeble ants.
But while he was laughing, something unexpected happened yet again.
Tamayo activated another mechanism, and a long shaft shot out from behind Muzan at tremendous speed. Its tip seemed to be made of some unknown metal.
The shaft struck Muzan head-on before he could fully recover!
"Gaaah!!"
It pierced straight through Muzan's chest, then sent him flying and pinned him to a distant building.
"Hahahaha! You didn't see that coming, did you, Muzan Kibutsuji? The things Ye Chen gave me really are useful!!" Seeing Muzan struck again just after getting carried away with himself, Tamayo laughed even more joyfully.
That was right. This heavy mechanical weapon had also come from Ye Chen.
And naturally, it was something he had previously redeemed from the Monster Hunter Shop.
The Wyvernfire Cannon!
The Wyvernfire Cannon was an immensely