He has a ten-inch dantian, which is the supreme foundation for entering the golden elixir realm, and the thunder imprint in the sea of ​​consciousness, and he still hasn't figured out what's going on.

However, the function is probably clear. Thunder's spiritual sense is at least ten times stronger than ordinary ones. Now Zhang Han's spiritual sense range is nearly 50 miles. In the small world, no one can have such an area.

The benefit brought by spiritual knowledge is not fifty miles, but when you go to the secret place, the degree of expansion of spiritual knowledge will be higher. In the face of crisis, it will be discovered faster and safer.