Fight Against Common Enemies of the Imperial Clan

Traveling across the Dou Qi Continent, Cang Qiong was unlucky enough to become an orphan of the Cang Clan, the common enemy of the ancient imperial clan. As for how the Cang clan became the common enemy of many imperial clans? I am afraid that those peak fighting saints who are about to end their lifespan and cannot find a source of energy breakthrough due to the isolation of space will definitely be willing to give the answer.