C2476 An Uninvited Guest
The dark night in the Nether Ruins would last for about a quarter of a day. In other words, if the entire day was divided into 24 hours, there would still be six hours in the dark night. That was the time when the shadows ruled. Basically, no one would be stupid enough to take the risk.
However, if Su Kuang had a torch, he would not have to wait in the cave for so long