In ancient texts, the Unfettered Star was described to be a 'killing star' and 'imprisoning star – it had a trace of the murderous aura of the Seven Murders Star and a trace of the baleful aura of the Imprisoning Star.
The Imprisoning Star represented imprisoning and disciplining, and it was a malicious star.
The Unfettered Star had both the killing and imprisoning attributes, so it had a trace of an evil aura. That evil aura was manifested in its unfettered and unbounded nature, doing whatever it wanted and disregarding what other people thought. It was somewhat different from most evil auras.
After the Unfettered Star appeared, it shot down a violet and blood-red pillar of starlight onto Li Mu's body, causing his aura to go through changes. The power emanating out from his body became more and more powerful.