C996 Spontaneous space!
And the current clansmen of the Chu s were only the collateral bloodlines that Chu Xiao left behind on a whim.
Afterwards, Chu Xiao lost and died, so the remaining clansmen were able to play a big role. For example, every time the Emperor of Chu's Mausoleum was opened, they would bring a lot of warriors in for the Life and Death Pass to choose from