Tu Sujun was so certain that the Immortal Crystal Jiang Feng and Ou Xiaoke had turned in to the Ancestral God Hall was the one he had lost mainly because Immortal Crystals were simply far too rare to encounter.
Moreover, even if one did come across one, it was not necessarily possible to discover it and collect it.
He had also learned that, aside from an Immortal Crystal, Jiang Feng and Ou Xiaoke had turned in a vast quantity of Immortal Matter. There was no way Jiang Feng, a rookie at the first level of the Soul Departure Realm, could have gathered so much Immortal Matter in the Immortal Void within half a year.
That Immortal Matter must have been what they had scavenged from the Immortal Matter left behind after the physical bodies of his five-man group had been destroyed.
Putting those two reasons together, it was not difficult for Tu Sujun to conclude that Jiang Feng and Ou Xiaoke's Immortal Crystal was the one he had lost.
And his deduction was indeed correct.
It was only that he had put this debt on Jiang Feng's head.
Jiang Feng had considered this possibility long ago. There were no walls without cracks; Tu Sujun would certainly learn that he and Ou Xiaoke had turned in an Immortal Crystal, and would inevitably trace it back to him.
However, Jiang Feng was not afraid of Tu Sujun.
His soul power was countless times stronger than Tu Sujun's. The reason he had been unable to do anything against an expert like Tu Sujun before was that he lacked a good cultivation method, much less sufficient spell techniques.
Now that he had obtained the right to freely consult the Ancestral God Hall's archives, his abilities were more than enough for him to tailor a