C267 Space Upgrade

Shen Xiulin and Dongfaang Xian had slept for nearly a day this time.

In this day's time, they could be considered to have recovered fully. Not only that, they also thought about how to "make use of" those people who were immune to the Xuan Ou.

Their sleep, in fact, could not really be considered as sleep.

One had to know that to them, even sleeping was a form of cultivation.

However