At first, Tianlong Yun thought that these people were using the Planet Crystal fragment as a source of energy and research he didn't expect these guys to use them as a type of virus.
It was true that the Planet Crystal fragment could be used to actually kill, and slowly rob the vitality of people that were in close approximate to it.
For example, if Earth didn't have all those kinds of materials, and different layers protecting the people from the Planet Crystal Core, human life would be much shorter than it was.
The closer one came to the poison the easier it would be for him to get poisoned, and the sooner he would die from that poison.
But that way was an extremely lousy way to use such a great treasure of nature and heaven, it was the same as using the most expensive car in order to actually kill a person and go to prison.
Why?