Having mastered ultimate fire, the Golden-Flame Emerald Crystal Beast was indeed one of the strongest ferocious beasts in Thunder Prison Land. Otherwise, it could not have claimed the outermost region as its territory.
When it learned that Tie Li was searching for a ferocious beast at the hundred-thousand-year level, its expression changed, but it quickly recovered.
"To break through the shackles of heaven and earth and become a true ferocious beast—how could that realm be so easily attained? If this king had broken through that level, I might not have been captured and brought to Thunder Prison Land. Hmph."
The Golden-Flame Emerald Crystal Beast could not help but complain. After spending so many years in Thunder Prison Land, it had long since tested the ferocious beasts in every territory and gained a rough understanding of their respective strengths.
There definitely were no hundred-thousand-year ferocious beasts like the human before it had described.
After learning this from the Golden-Flame Emerald Crystal Beast, Tie Li's eyes flickered with thought. If they were all ninety-thousand-year ferocious beasts, then just as Tang San had killed the Thousand Jun Ant Emperor in the original timeline, if he killed three at once and absorbed three ninety-thousand-year spirit rings simultaneously, could they mutate into three hundred-thousand-year spirit rings?
But Tie Li immediately rejected the idea. There was too much chance involved, and it might not suit him. It also carried the risk of failure. If no mutation occurred, he would only absorb ninety-thousand-year spirit rings. That was not what he wanted.
Could he leave Thunder Prison Land and return to Douluo Continent to obtain spirit rings?
Whoosh
Thunder Spirit had slept to its heart's content and flew out of Tie Li's body. Yet the aura of Thunder Prison Land made it extremely uncomfortable, and it was about