Chapter 2006: The Desired Treasure**

The secret technique "Immortal River" delighted Owen Su. If he could master this technique to a certain level, it would be like having an extra trump card, a powerful asset in his arsenal. While adventuring in Demon Yuan Mountain, when danger struck, such a trump card could often turn the tide. "The initial bidding price for 'Immortal River' is 50 million cosmic crystals?" Owen couldn't help but be amazed. He knew that a rare secret technique like "Immortal River," which could reverse power through...