In fact, these dragon clans are all within their Dragon Chant Sect, and if Dragon Chant Sect encounters danger, these dragons will also take action.
Furthermore, in every sect tribulation previously, the dragon clan has helped greatly.
Without them, Dragon Chant Sect absolutely wouldn't have been able to survive two million-year sect tribulations.
Moreover, these dragons now don't like going out. Once they can take human form, they will also venture out, and explore with the Dragon Chant Sect.
It's entirely possible to consider them as the people of Dragon Chant Sect, so the dragons obtaining the cultivation techniques is equivalent to strengthening the power of the Dragon Chant Sect.
This is the only way he can console himself.
Cao Zhen didn't make Dragon Wangu wait too long, once again sending a wisp of divine thought into Dragon Wangu's forehead, imparting the completed divine skills to Dragon Wangu.