"A seeker with great strength who is well versed in the use of the Chaos Form. With his sword and star of Silent Rain, he protects those that he holds close. Now his skills will be put to the test as he faces off against unimaginably powerful enemies."

When his brother activates the Chaos Form for the first time, it sparks his own Chaos Memory. He takes up the name Zero as a result of his Awakening. For some reason the Chaos Memory that allows the two brothers to use their Chaos Form runs stronger within Zero. As a result he has not only a much more powerful Chaos Form but also a greater amount of knowledge pertaining to the ability of the seekers. He decides to use his knowledge to train his brother in the proper use of the Chaos Form. However, it is during this training that the Ka-Lyn (Chaos Beasts) begin appearing from the rift. Now the two brothers must stop the Ka-Lyn from appearing in the Lower World and uncover the true origin of the Chaos Form.