Cao Guangsu's expression shifted slightly when he heard Xiang Yuanqing's words, and a sinan compass appeared in his hand.
Cao Guangsu was proficient in deduction. He had already fully comprehended the Karma Rule, and had also grasped three Subordinate Rules of the Fate Rule, paired with the Celestial Evolution Art collected by the Forgetfulness River Race.
Within this world, Cao Guangsu's deductive ability could rank among the very top.
But from the moment he learned that Kou Ding Yan and the other four had been killed until now, Cao Guangsu had been unable to deduce any effective information.
He had deliberately come here to watch other Creation Realm cultivators undergo tribulation because Cao Guangsu was confident that although he could not deduce clues out of thin air, as long as he saw that murderer, he would be able to produce a sense of resonance.
Yet just now, as he watched that Creation Realm cultivator undergo tribulation, no unusual ripple arose in Cao Guangsu's heart. Neither the Karma Rule nor the Fate Rule gave him any guidance.
The sinan compass trembled slightly in Cao Guangsu's hand as it deduced the information of that cultivator from earlier.
"His Cultivation Realm is indeed only at the Initial Stage Creation Realm, but he should not be the murderer. Before undergoing tribulation, he was only in the Sky Opening Realm. How could he have killed Brother Kou and Xiang Zongyan's group of four in such a short time?"
Cao Guangsu moved his gaze away from the sinan compass, looked at Xiang Yuanqing, and continued, "As for why a heavenly tribulation appeared when he broke through to the Creation Realm, judging from the deduction result, it seems he obtained some kind of Natural Material Treasure in this Barren Land and smoothly broke through the Creation Realm