Double Pupils, like the Supreme Bone, are considered top-tier talents for the Human Race; by harnessing the power of their own Great Taoist bloodline, one can carve out a significant name for themselves.
It's actually quite rare for the Human Race to give birth to those with the Double Pupils bloodline.
Those with Double Pupils have twin irises in their eyes, existing in juxtaposition; once these Double Pupils are developed, one will possess various inconceivable Divine Powers.
Typically, those who possess such a talent are descendants of ancient ferocious creatures or Divine Birds, just like with the Supreme Bone, and hence, when it was discovered that Shi Hao had the Supreme Bone, Stone Toughness's kin sought to contest it, as it is said that two tigers cannot share one mountain.
However, setting those aside, within the Human Race, those born with this talent cannot conceal their brilliance, and are destined to rise high into the sky for ninety thousand li.