The stealth technique of Tiandao pen is not stealth in general sense, but material assimilation.

encounter weathering wind, cloud and lightning.

However, if a wall is encountered, Chen Yang can't penetrate through stealth. Because Chen Yang's core is unchanged. Stealth is a kind of protective shield, which belongs to the protection of Chen Yang, but it can not change the core of Chen Yang.

So, in the original Tianzhou, the prime minister group quickly developed a solution based on the characteristics of invisibility. The invisible words of invisibility can only assimilate the forces and substances in the earth. The prime minister's group of people visited the universe everywhere, and there...