After hearing Frey's recount, Ji Dong instantly understood while facing this huge and terrifying magical beast. The Heavenly Jade had been ingested by the Nether Yin Demon Wolf. Since the beast itself didn't possess the spiritual power to trigger it, it remained dormant in its belly. It wasn't until Ji Dong killed the Nether Yin Demon Wolf that it was liberated.
The Thorny Thunderfire Dragon before him seemed to have ingested something that fused with its own attributes, exponentially increasing its power. This made it evident that on Holy Evil Island, the more a magical beast mutated, the greater the potential benefits it could bring.
