In terms of grade, the Acquired Thunder God Pearl could only be considered a Low-Grade Magical Treasure, and the Spiritual Materials used to refine it weren't particularly rare.
The Sect's Artifact Refining Hall could easily gather all the materials needed for this Treasure Refining.
The reason it could become such an exceptionally special Tribulation Crossing Treasure lay entirely in the mystery of the Flower Bird Talisman.
'They say that after the Near Ancient era, the Flower Bird Talisman lost the immense power contained within its original script, reverting to a set of ordinary characters. In the Cultivation Realm, most people study its historical value rather than using combinations of its symbols to move mountains, fill seas, and shatter the void like they did in Ancient Times.'
In Bai Zichen's hand was a piece of silk brocade, on which were imprinted the two runes from the Thunder Bead in Chen Wei's Dantian Qi Sea.
