As for why... he wasn't sure.
But now the Midnight Spirit Mouse was indeed under his control— as soon as the creature entered the Miji God Tree, it got mixed up with the Jin Ling Rat clan, and Jin Chou even treated it like a lord.
Its body still contained a large amount of Cosmic Light Resin, a strange resin capable of casting absolute seals, freezing items within time.
For cultivators nearing the end of their lifespan, it was truly a treasured rarity.
After finding out that Song He had Cosmic Light Amber, Master Fan Sheng took some, intending to extend the life of an old Spiritual Beast she was nurturing.
Perhaps one day, it could ascend to the Upper Realm with her, rejuvenated once again.
"This kind of treasure is best kept for oneself, selling it would be undervaluing it too much, Midnight Spirit Mouse... take your time to study it."
After a moment of contemplation, Song He turned to look at the other gains.