The most famous divine materials in the Shrouding the Heavens Universe were the nine great immortal metals. Each possessed its own unique properties, and if fully developed, could be elevated into a Heavenly Emperor Weapon.
They were: Dao Calamity Gold, Immortal Tears Green Gold, Divine Marked Purple Gold, Eternal Blue Gold, Feathered Azure Gold, Phoenix Blood Red Gold, Dragon Pattern Black Gold, Tiger Soul White Gold, and Kylin Fortune Orange Gold.
Tiger Soul White Gold symbolized slaughter. Excessive hardness made it prone to breaking, and it often shattered not long after being forged. It was rarely seen in the world.
Kylin Fortune Orange Gold, also known as Qilin Fortune Immortal Gold, could only be obtained by those blessed with immense fortune and extraordinary luck throughout the ages. It was even rarer than Tiger Soul White Gold.
Vaguely superior to the nine great immortal metals were materials for Heavenly Emperor Weapons such as Chaos Stone and Myriad Things Mother Qi...
Yet the immortal treasure produced by the Cai Family Great Saint was neither one of the nine great immortal metals nor Chaos Stone, but a World Stone!
World Stones were foundation stones born when ancient Great Saints created worlds and established Divine God Minor Worlds. Even to Sages, they were incomparably precious.
But compared to the nine great immortal metals, they were not worth mentioning. The difference in value was simply too great.
Yet this World Stone brought out by the Cai Family Great Saint was truly enormous!
Enormous beyond imagination.
Even a foundation stone born from a Pure Land opened up by a Great Emperor would pale beside it, let alone a World Stone nurtured by a Divine God Minor World.
Divine light burst from Gai Jiuyou's eyes as he and Sakyamuni personally tested it. The two Supreme Beings immediately