The Profound Micro Pure Radiance Sword was primarily aligned with the Water-Fire attribute. The Four Heavenly Phenomenon Swords were the Wind, Cloud, Thunder, and Lightning Swords respectively. Judging only by their attributes, the two sides did not conflict.
That was also why Qin Fengming had harbored the idea of fusing them ever since he obtained the Four Heavenly Phenomenon Swords.
In his view, such a fusion should not have been all that difficult. However, only after thoroughly consulting the ancient records did he finally discover that if he fused them according to his own ideas, putting aside whether the fusion could succeed, even if it did, their might would not undergo a qualitative leap.
It was even possible that the five flying swords after fusion would display less power than they had individually before.
Naturally, Qin Fengming did not want such a result. Thus, when he met Fairy Yaoxi, he had brought up fusing these flying swords as one of his conditions.
Although Fairy Yaoxi was merely a divided soul of a Mahayana cultivator from the Upper Realm, the Artifact Refining Attainment inherited from her true body was absolutely at the pinnacle of the Upper Realm.
What level had the Artifact Refining Attainment of someone capable of refining a clan's extraordinary treasure like the divine palace reached? Qin Fengming could scarcely imagine it. That person was undoubtedly among the absolute peak figures in the Upper Realm's artifact-refining path.
As for the technique she had given Qin Fengming for refining the Four Symbols Sword Array, its profoundness could be known without even thinking about it.
At the time, Fairy Yaoxi had not said that it could not be refined at the Nascent Soul stage. Yet after personally refining it, Qin Fengming could not help sighing inwardly at his good fortune.
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