Capítulo 160: Universal Matter

The first few files were the easiest to understand, but the more he read, the more complicated they got. 

For Kairen, who got to know about the existence of mana and other powers only a few months ago and had zero academic knowledge about these subjects, these data were even harder to understand.

Kairen could get that the research was mostly about the origin of unique skills. 

The unique skills were all linked to one's soul. Apart from mana and aura that were directly extracted from spirit, the other powers were also said to reside in one's soul.

The question was, how? How were all these powers linked to the soul? Where did they come from? What makes one have power that the others don't? Why can't you have two powers at the same time? 

And the most important part, what was 'soul' and what was it made of?

That was how the research started.