Su Xin's feud with the Su Family ran deep, deeper even than that with the Qingcheng Sword Sect.
This was not only because Su Xin had killed Su Mingyuan and seriously wounded the Great Ancestor of the Su Family in the battle at Wutong Mountain, but also because Su Xin was originally a member of the Su Family.
In their view, Su Xin should've been selflessly assisting the Su Family for their benefit, but now he was standing against them, causing irreparable trauma to the Su Family. This betrayal was unforgivable and even more severe than the harm inflicted by others.
It could be said that almost all of the Su Family wanted Su Xin dead now and would assassinate him given the chance.
However, considering their current state, the Su Family had no opportunity to make an attempt on Su Xin's life. As Huang Bingcheng suggested, they had to stay quiet at Wutong Mountain to recover until their Primordial Qi was somewhat replenished.
