Leaving Ruan Yu behind, Zhang Yuan handed her the Yin Plate and told her to go find Zhao Lian in the Imperial City herself. Then he called Xie Jingxin and Shangxian True Person over and headed confidently toward the Upper Nether Academy on the outskirts.
A Divine Ignition Realm Sword Saint, a late Ascension Realm master of Talisman Arts, and himself, a minor Purple Mansion Realm adept-with a lineup like that, they could put up a fight against anyone unless a True Lord came in person.
Zhang Yuan used "As Though the Emperor Walked in Person" to traverse space, Shangxian True Person summoned an Azure Talisman for Skyflight, and Xie Jingxin leaped from rooftop to rooftop without a word. Her clear eyes occasionally flicked toward Shangxian True Person, as though she was wary of his presence.
Shangxian True Person and Xie Jingxin were both fast. Instead, Zhang Yuan, despite traversing space, held them back. It took half an incense stick's time before they hurriedly arrived at the Upper Nether Academy.
It was just like the Imperial Academy.
The Upper Nether Academy was deserted too. Its students had all gone to fight on the city walls. The vast academy stood amid the boundless darkness, with lights burning only in the direction of the Scripture Pavilion, like a bright lamp pointing the way-or a deliberate lure drawing Zhang Yuan and the others in.
The Yang Plate and the Yin Plate work differently. The Yin Plate doesn't draw in Mysterious Yin Death Qi; it keeps out the mist formed from it. The Yang Plate is the key. Located on the outskirts, it's the anchor that defines the area covered by the mist.
Thus, as long as he destroyed the Yang Plate, the white mist formed from Mysterious Yin Death Qi within the city