"Do you mean the soul beast contract? What Shrek published was the complete version. The difference lies in the contract soul tools..."
Jiang Yi happily enjoyed the perks Xu Jiujiu offered him and, without standing on ceremony, wrapped an arm around her slender waist.
He was being quite honest. The soul beast contract had been adapted from the Master Ball and Electrolux's magic.
At the same time, he had borrowed just a little from the concept of Battle Armor ten thousand years in the future, integrating Poké Balls into martial souls.
This was also an important reason Jiang Nannan and the others could borrow some of their soul beasts' power. The key lay in spirit metal.
Of the several Contract Poké Ball models Tian Meng had designed, only the high-grade balls contained spirit metal and could merge into martial souls.
Even then, they could only borrow some abilities, unlike his Master Ball, which could completely fuse a soul beast with its host.
"We're short on high-grade balls too! Spirit metal isn't something you can just find whenever you want..."
Jiang Yi spread his hands at the two women, looking willing but helpless.
In this era, forging had yet to receive much attention, so spirit metal could practically only be found in naturally occurring mineral deposits.
Tang Wutong had learned from Tang Hao and might have been able to produce some, but she was a lazy slacker who only moved when prodded.
Fortunately, after contracting Ah Yin, he could also produce low-grade spirit metal through her connection to the Plane Core.
"That's... spirit metal?!"
Vina and Xu Jiujiu exchanged a glance. As they listened to Jiang Yi's explanation, they gradually understood why high-grade balls were so scarce.
Metals with spirituality could generally only form from natural treasures so rare they might