C721 What Exactly Is My Uncle's Strength

"The existence of the Seal Protecting Clan is to protect the descendants of the Ying Clan, which is also to protect the medicinal Qin Imperial Seals in the hands of the descendants of the Ying Clan." Gong Shangyu explained softly.

Turns out that Gong Shangyu's ancestor was the closest person under the First Emperor back then