There's Something Wrong With This Account - Chapter 401 - : 401, [Lu Xun, Lu Yu]

... make a decent air conditioner for the stifling summer days.

It’s already July, the hottest time of the year.

Even in the night, the temperature doesn’t drop much.

But after the emergence of the Ghosts Kings, and hundreds of ghosts prowling at night, the surroundings seemed a bit cooler.

However, the chilling Ghost Qi is harmful to the human body, so it’s not very suitable as an air conditioner.

Lu Xun, holding the sword sheath, moved in an instant.

...