Grades of Lifeforms.

'?!!' Sensing the danger coming towards him, Lucius' instincts instantly kicked in. 

Raising his left arm, he managed to form a guard while angling his head to avoid contact. Deftly managing to evade certain danger, he then instinctively extended his right arm towards the assailant.

Lucius' hands formed a claw and his black-colored nails extended at its tip. His hands which could effortlessly pierce into the thick skin of a Stage 2 being, were intending to tear his assailant's heart out.

The mind, the body, and the soul, were the three most important parts of every living organism. 

The soul nourishes the body. And the body contains the soul. One's mind acted as the bridge that connected these two parts and forms the 'self'. This was a common expression used by the people of the Universe to explain the relationship between these three parts.

'The soul nourishes the body'. To understand this sentence was quite easy.