In one breath, Ling Tian summoned Po Qiong and the other four. The five artifacts, each nearly on par with an Immortal Artifact, shocked everyone. Greed showed on many faces. If they hadn't feared Xuan Ming and the other man, who were burning their souls, or if Shi Ao had given the order, these people would likely have rushed forward to seize them.
Unlike the others, Shi Ao thought further ahead. From the first three artifacts, Po Qiong among them, he sensed the rich soul power Ling Tian had poured into them. Clearly, they were all Ling Tian's Natal Dan Artifacts. In other words, Ling Tian had at least three Demon Cores—and, unlike Heavenly Treasures, which each held only one attribute, these three had different attributes. Shi Ao was utterly astonished.
From the fire-attribute spiritual energy in the Daoist arts Ling Tian had used in their battle, Shi Ao could infer that Ling Tian likely had another fire-attribute Demon Core within him. As for the heavy halberd, he probably hadn't yet asked it to recognize him because its grade was too high for him to fully control.
Shi Ao was meticulous. From the fact that Ling Tian could wield the halberd and communicate with it, he knew it was only a matter of time before Ling Tian asked it to recognize him. That shocked him even more. Aside from Earth Attribute spiritual energy, Ling Tian had displayed every other kind. But when Ling Tian brought out Xuan Ling, a palace-type Immortal Artifact, Shi Ao wasn't so sure anymore. He suspected Ling Tian could wield Earth Attribute spiritual energy as well.
One person could wield spiritual energy of all five elements!
One had to know that only cultivators who had successfully crossed the tribulation could control two Demon Cores, gaining one