The secret of hiding breath and storing foetus is to open up a world in Dantian and turn it into Yuantai. It can store all the essence of the warrior in Yuantai, stop breathing and heartbeat at the same time, let the tortoise rest, hide breath and cultivation. It is difficult to find it even if it is a spiritual exploration.

of course, the yuan foetus condensed by the formula of hiding breath and hiding foetus is only a fake yuan foetus. Although it can hide breath, its accomplishments have not increased a little, but if it is used properly, it can also be used with assassination techniques.

at this...