Not to mention that this was merely a material, not a finished product like the Clear and Turbid Aurora Mirror. Marking it might not be difficult, but hiding it deeply enough would not be so easy. With one gain and one loss, unless the other party's cultivation was stronger than the current Taiqing Immortal Emperor's, there was no need to worry about old matters being brought up again. You could use it to refine formations without concern.
Besides, with your current Array Dao Skill, you might not even be able to refine this unfamiliar formation. At most, it could count as another material for you to practice with. There was no point in overthinking it...
In addition to trading with Jue Zilian over the years, you had also placed and integrated twelve portions of ninth-rank Spirit Soil into the Life Law Space, where they could now exert their proper effects.
With this Spirit Soil added, the survival rate of spirit plants rose considerably. The Mount Tai Divine Embryo and the Cockscomb Red Phoenix Sunflower, which had only recently been transplanted and still seemed somewhat listless, both appeared much livelier. They should lose less of their medicinal potency.
In the 2,137,938th year, while studying how to refine two Mirage Flowers into Formation Cores, you did not forget to spend your remaining time extracting the "Essence Source" within the Lianyuan Crystal Core.
Things went far more smoothly than you had imagined. No mistakes occurred along the way. In the end, the Lianyuan Crystal Core became a useless stone, while the Essence Source within was temporarily gathered into the Immeasurable Universe.
The Essence Source of the Lianyuan Crystal Core had miraculous effects on Shi Yuan Quasi-Emperors seeking a breakthrough. You had no use for it yourself, so its fate was to be traded