Imperial-level experts were constrained by their status and rarely made promises. But once they did, their word was as good as gold.
The young man before them had resolved a problem that had plagued them for hundreds of millions of years. The magnitude of this favor was beyond measure. Besides, with such medical skill and such perseverance, his future achievements were bound to be limitless. Making this promise now was also an investment in the future.
"Your kindness is overwhelming, Seniors... I truly do not deserve it!"
Nie Yun was startled that the two Great Emperors had spoken so solemnly.
In his view, curing Yaoshuang would at most earn him some treasures. But no matter how precious those treasures were, how could they compare to a personal promise from an imperial-level expert?
"Don't call me Senior anymore. My name is Yun Yan, and I'm only a little older than you. From now on, just call me Brother Yun Yan!"
The middle-aged man smiled.
"Uh!" Nie Yun was taken aback.
He was merely at the Perfected King Realm, yet he was supposed to call an imperial-level expert brother... It made him feel rather ashamed.
Still, they had likely recognized his potential and believed that he would certainly challenge the Great Emperor Realm in the future. That was why they deliberately addressed him as a brother, sparing themselves trouble later on.
"Imperial-level experts all address one another as brothers. There aren't so many formalities. Otherwise, if we calculated according to seniority, there would be no way to address one another at all. My name is Yao Xuan; you can call me Brother Yao Xuan as well!" Yao Xuan, standing to one side, nodded.
"..." Nie Yun's head spun.
Yao Xuan and Yun Yan were father-in-law and son-in-law, yet both wanted him to