According to what Ater told him, there were nine different applications of the Hollow Technique within the Chaos Art.
The higher the number, the more powerful the application was.
Hollow Technique #2 was [Shadow Slave] and Hollow Technique #6 was Compound Corpse; both of which were techniques that Ater had used in the past.
As for the one that was used on Justin… it was Hollow Technique #7
"[False Endless]."
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'This guy…'
Kar'eena closely observed Justin as he brought out a thin blade seemingly from out of nowhere.
'... His whole vibe has changed.'
The glow in his eyes had a mix of blue and red, creating a kind of purple glint within them. His hair was dancing with the slightly growing updraft, and his threatening presence was slowly climbing as he began to advance towards Kar'eena.
