If he hadn't refined it while the small tree was still a sapling, refining it now wouldn't be so easy.
But this Nether Tree opportunity wasn't discovered by him first; it was by another presence.
That presence must be continuing to search for traces of the Nether Tree in the surroundings. After all, such a great opportunity isn't something that one would easily give up.
Song Yan could sense that this presence likely hasn't reached the Divine Infant Realm, at least not since their divine sense was suppressed by him, and one who can discern the secrets of the ancient tomb must either be a Celestial Demon or related to the Dragon Tomb Ancient Race.
So, he opened the Yin Mansion Sacrificial Array, emitting Netherworld's Qi, not only to attract the Celestial Calamity Beast and test it but also as bait, trying to lure the hidden coveter and eliminate them to prevent future troubles.
Yet, as many days passed, the other party hasn't shown any sign of action.
