Collapse to death

To use this move of Tianxing Sword, one must mobilize all the internal energy in the body, and even use Baili San to forcibly stimulate all potential.
After using it, I feel exhausted to death.
In a daze.
Harvey Chase felt like someone was making a lot of noise, like there was a party going on.
Opening his eyes, Harvey Chase looked at the time.
Twelve thirty at night.
In other words, I have slept for eleven hours!
I have finally recovered some of my strength.
Harvey...