Definition
* **Artifact Spirit (法宝之灵):** High-grade magic treasures can develop a sentient, spiritual essence after eons. They act as guardians, guides, and memory banks for the treasure, retaining the knowledge and memories of its past owners. The Black Ox serves this role, able to converse, paint, and transcribe techniques, but bound by the rules of the palace. * **Token Talisman (信符):** A key item that grants partial access and control over a cave-mansion or sect. This is a classic Xianxia trope: you become the “master,” but you can’t actually use anything until you reach a specific cultivation level and refine the key. It’s an anti-frustration feature for young masters, forcing them to grow into their inheritance. * **Refining Treasures:** A treasure must be ‘refined’ by a cultivator via a soul imprint to be controlled. The higher the grade, the harder it is to refine. The aquatic palace requires Zifu (for a token), Primal (to carry), and Earth Immortal (to fully control)—a perfect vertical progression lock for an S-tier item. * **Visualization Technique (观想法):** A mental cultivation method to strengthen the soul. The *Nuwa Diagram* is an S-tier one. The *Sun-Moon Buddha* is likely an A-tier. The Black Ox didn’t know Ji Ning already had the best one in the Three Realms, so his attempt to help felt a bit pitiful, which is a great touch of character.