The bottle left by Mao Changhai is very valuable, but in other words. This bottle has no other special skills. It's useless. Ye Kong can't learn from Mao Changhai to hide in it.

Ye Kong can open the bottle cap with the help of the emperor, so can others! So hiding in a bottle is not a reliable idea.

but what's the use of this bottle? Ye Kong can't think of it at present. He tried to refine it, but unfortunately, it couldn't be done at all. Ye Kong wants to turn it into a shield again. If it is so hard, it should be more effective. But ye Kong...