The next day, Wu Wencai sent people to the nearby auction to investigate any antiques related to the Blood Killing Sect.

"Since Duan Gujin gave the hint of the tomb robber, it means the other party will dig out the items from the ancient tomb of the Blood Killing Sect and sell them as ordinary goods. They definitely won't admit at the auction that their items are looted. I should send people to list the possible burial items from the graves of the elders of the Blood Killing Sect who have died in the past, so that the disciples can go to nearby auctions to investigate! I hope my luck is good enough to find the real murderer soon!"

Wu Wencai, being an elder of the Punishment Hall, had many people willing to work for him.

After he issued the instructions one by one, his subordinates acted according to his demands.

Once all the instructions were given and his subordinates were sent out, he sat in his room contemplating the various signs of Wu Wenhua's murder.

"It's a pity. Currently, I really don't have many leads. Finding the real murderer is extremely difficult! Besides, the clues I have now were provided by Duan Gujin. What if he was just bluffing?"

Wu Wencai's eyes twinkled. He had chosen to let Duan Gujin go because he truly didn't have enough evidence to prove that his son was killed by Duan Gujin.

Secondly, if he did not release Duan Gujin, the consequences were unthinkable.

He was an old fox and would not be easily scared by anyone.

But after carefully considering Duan Gujin's words, he felt that the other party wasn't wrong.

If his son was really killed by Duan Gujin, the latter would definitely have used many methods that left no trace to kill his son.

"Who would have thought there are so many secrets behind Wenhua's death!"

Wu Wencai took a deep breath, cleared all distractions, and immediately entered a state of seclusion.

He knew that even if he found the murderer who killed his son, he would need to have enough strength to avenge his son.

Meanwhile, Duan Gu was dedicated to preparing for the Sixth-level Alchemist's test.

He did not let the female assassin protect Yan Chunxue and leave the Blood Killing Sect because he knew that doing so would indeed place the assassin and Yan Chunxue in an even more dangerous situation.

Staying in the Blood Killing Sect, even though Wu Wencai would come up to arrest them.

But here, only he had the authority and ability to enter the Inner Sect Disciple's courtyard to capture people.

Duan Gu had previously managed to bluff Wu Wencai, and if he let the female assassin and Yan Chunxue leave together, Wu Wencai would definitely suspect his previous words were false.

In Duan Gu's eyes, he naturally does not need to fear Wu Wencai.

He was not afraid of Wu Wencai, but now with Yan Chunxue by his side, she could be used by Gu Tianzhen and Wu Wencai as a tool to threaten him, which made Duan Gu have to be careful.

"Unless I have enough strength to eliminate the trouble that is Wu Wencai sooner, otherwise, he can provoke me and others anytime, anywhere in the future!"

He was very clear in his heart that Wu Wencai could not handle him, but that did not mean that the other party had no way to deal with him.

If Wu Wencai knew the truth, he would undoubtedly use all means to threaten and coerce him.

"Who would have thought that Wu Wencai would actually deduce from these seemingly unrelated clues that I am the murderer who killed his son!"

Thinking of this, he couldn't help but sigh.

But things had come to this point, and he could not change anything.

"I hope that before I achieve the cultivation level of Emperor Wu, he doesn't discover that I am the one who killed his son! Otherwise, the consequences would be unthinkable!"

Duan Gujin discarded all distractions, focused wholeheartedly, and prepared for the upcoming Sixth-level Alchemist test.

Time flew by quickly, and in no time, more than twenty days passed.

The day of the Sixth-level Alchemist test finally arrived as scheduled.

Thus, under the leadership of Elder Wan, Duan Gu once again entered the Liuyun Immortal Sect through the Teleportation Array.

This time, the people of Liuyun Immortal Sect did not let the Sixth-level Alchemist candidates practice alchemy on the training ground like the Fifth-level Alchemists.

The chairman on the main stage announced loudly to everyone.

"Ladies and gentlemen, today our Liuyun Immortal Sect's test content is a bit complicated, so listen carefully. I tell you, being able to pass the Fifth-level Alchemist test is enough to prove that your talents and abilities far exceed ordinary people; you are all exceptional beings among your peers. But you must understand that if you want to become strong in the vast world of Jiuzhou Continent, you must be braver than ordinary people. Therefore, today's test content from our Liuyun Immortal Sect is about training. I will lead you to a place called the Lost City in the Illusion Realm. Inside this realm, there are various Demons and Ghosts, but there are also some rare Treasures. So, the assessment content of this Sixth-level Alchemist test is for all of you to enter the Lost City and then all of you must pass through various illusions within seven days. Finally, whoever gets the Heavenly Spirit Immortal Grass inside will be the champion of this assessment! Today, our Liuyun Immortal Sect will admit twenty people to pass the Sixth-level Alchemist test. So, all of you must participate in this Illusion Realm challenge! Now I ask you, anyone who does not wish to participate in this assessment test, step forward. Those who are faint-hearted must not force themselves. Because, the Demons and Ghosts inside the Lost City are very powerful, and if you are not careful, you could die inside. If you want to withdraw, do it now! It's still possible to withdraw now! Does anyone want to withdraw?"

Hearing such peculiar test requirements, various thoughts quickly crossed the minds of the candidates below the chairman's stage.

Although the chairman made it very clear that those who wanted to withdraw should do so immediately, none of those candidates, who were all the best among the best and always proud, had the word "withdraw" in their dictionaries.

Seeing that no one from the group of candidates under the chairman's stage stood up to withdraw, the people on the chairman's stage were very pleased.

"Since no one is withdrawing, then next, please all enter the Transmission Array! Shortly, we will activate the Transmission Array and send all of you into the Lost City!"

The chairman on the stage said.

So, all the candidates entered the Transmission Array in front as instructed by the chairman.

After a while, a dazzling light lit up, and a strong Transmission Energy wrapped the contestants, and then that powerful Transmission Energy sent them away.

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