Arriving beside Yu Yuanzhen, Yu Xiaogang examined the first Crimson Blood Flying Dragon after seeing the two fallen dragons.
And that glance made Yu Xiaogang furrow his brows deeply.
"Only a little over seven hundred years."
Yu Xiaogang looked at Yu Yuanzhen and found that he was also frowning.
Clearly, father and son had reached the same conclusion.
This Crimson Blood Flying Dragon's age was simply too low.
The family had conducted multiple tests since discovering the secret of Whale Rubber.
Several family members who had consumed Thousand Year Whale Rubber over the past two years had successfully obtained Spirit Rings of over five hundred years.
Among them were those over five hundred years old, over six hundred years old, and over seven hundred years old.
Those family members who had obtained Spirit Rings of over seven hundred years already possessed a certain foundation. Combined with the Thousand Year Whale Rubber, they had completed their transformation and instantly become the center of attention.
But all of them were merely ordinary members of the family.
Because Yu Xiaogang had discovered the secret of Whale Rubber, he received treatment on par with a Soul Douluo. The resources available to him were beyond the imagination of those ordinary family members.
Together with Yu Xiaogang's diligent and painstaking training, it could be said that even without consuming Whale Rubber, the first Spirit Ring he could obtain would have been over four hundred years old.
With enough determination, he might even have broken the current record on the Douluo Continent.
Under such circumstances, Yu Xiaogang had also refined and consumed a piece of Ten Thousand Year Whale Rubber with Yu Yuanzhen's help.
With such a foundation, an eight-hundred-year first Spirit Ring would be easy.
If he took a risk, a Nine-Hundred-Year Spirit Ring was not