Inside the Linghe Chamber of Commerce, under Lin Yang's command, preparations for dealing with the extraterrestrial demonic shadows were being carried out intensively.

The weapon refiners remained at their posts day and night in the refining workshops, the furnaces roaring and their light illuminating their focused faces. Following the blueprints provided by the Wanbao Pavilion, they devoted themselves to crafting magical artifacts capable of detecting concealed auras. These artifacts varied in form: some were small spirit whistles, which, when blown, would detect hidden auras with special spiritual energy fluctuations; others were exquisite spirit mirrors, which, when infused with spiritual energy, could reflect the outlines of concealed objects. The weapon refiners not only focused on quantity but also strived to improve the quality of the artifacts. They added rare spiritual ores, such as luminous moonstone and enlightenment sand, to broaden the detection range and increase the accuracy of the artifacts.

The alchemists were not to be outdone. They gathered in the alchemy room, their tables laden with various rare and precious herbs. To develop elixirs that could counteract the power of darkness, they repeatedly experimented with different formulas. When refining the "Light Restoration Elixir," they used pure Sunlight Grass as the main ingredient, blending it with the stamens of Night-Shining Flowers and Star Dew, precisely controlling the heat and the rhythm of spiritual energy infusion. After countless failures, they finally succeeded in refining the first batch of elixirs. These elixirs emitted a soft white light, containing powerful purifying energy, effectively dispelling dark auras and restoring the spiritual power of cultivators.

Meanwhile, the formation of the joint defense team was also proceeding smoothly. Various forces, including the Linghe Chamber of Commerce, Wanbao Pavilion, and Lingjian Sect, selected their elite members. Most of these members were at least at the Golden Core stage. They gathered in the Linghe Chamber of Commerce's plaza for unified training and deployment. The defense team was divided into multiple groups, each with clearly defined responsibilities and patrol areas. They not only had to familiarize themselves with the use of the newly crafted detection magic items but also practice coordinated combat to deal with various complex situations that might arise.

Lin Yang moved between various work areas, closely monitoring the progress of preparations. He knew that every detail was crucial to the outcome of the upcoming battle. Besides overseeing internal preparations, Lin Yang also maintained close communication with the leaders of other forces. He went to Wanbao Pavilion to discuss the deployment of defensive formations with Zhao Wanbao, ensuring that the defensive areas of each force could coordinate with each other to form a tight defensive network. At Lingjian Sect, he discussed with the sect elders how to leverage the advantages of sword cultivators to deliver a fatal blow to the extraterrestrial demonic shadows in battle.

However, as preparations progressed, some problems gradually emerged. There was a shortage of materials for refining the detection magic weapon, some members were not adapting well to the new pills, and the joint defense team lacked coordination during coordinated operations. Lin Yang did not panic. He used the special trading ability of his "landed coins" to trade with some mysterious forces hidden deep within the cultivation world, obtaining the necessary rare materials. Regarding the pill adaptation issue, the alchemists adjusted the formulas and developed supplementary remedies. As for the coordination problems within the joint defense team, Lin Yang arranged a more rigorous training plan, increasing the frequency of simulated combat drills.

Amidst this tense atmosphere of preparation, the mood in the Spirit Ruins Market grew increasingly heavy. While ordinary cultivators were unaware of the details, they sensed the impending storm from the tense actions of various forces. Lin Yang knew that time was of the essence; the extraterrestrial demons could attack at any moment. They had to race against time, completing all preparations within the limited time available to be in peak condition for this life-or-death battle.