Daoist Yu and the others clearly knew the ritual's flaws themselves. It required prolonged operation, but that could also give the enemy time to prepare countermeasures. Thus, to coordinate with the ritual and hold their opponent in check, they first cast down a cloud of blackish-red smoke.
The instant this cloud descended, the originally azure sky canopy immediately turned a deep, mysterious hue. Billowing dust and smoke spread everywhere, blotting out the light from above. Only the ten Creation Sunstars above Light Capital still shone there, yet even the radiance of these creations was now greatly drawn in, as if suppressed.
These clouds were not a means commonly employed by the Six Sects. They had originally been a ritual artifact refined by an evil fiend.
The Six Sects had understood long ago that when facing cultivators with profound Dao arts and immense magical power, certain fiendish methods specifically intended to foul and erode magical power were instead more effective.
Such methods were often immensely powerful and highly effective, but cultivating fiendish arts easily twisted one's heart and nature, and could very likely bring calamity upon one's fellow cultivators. Thus, they did not cultivate them themselves. They merely kept the confiscated fiendish artifacts, to be used at times like this. That way, they could ensure their power without fearing any effect on themselves.
Zhang Yu merely gave this a glance and did not concern himself with it.
These foul fiendish methods might be difficult for other artifacts to withstand, but the Void-Severing Purple Qi Sand feared no such thing.
Even if only a single grain of Purple Qi Sand remained, as long as there was sufficient Heartlight Seal to drive it, it could evolve anew. If this object did not possess its own limits, he could continue catalyzing it indefinitely, until