Of course, fearing light isn't the biggest problem; at worst, you can carry an umbrella when you go out. The real issue is how to refine the Nether Spring.
Yes, the Life Revival and Void Returning Hand taught by Lingxu can transform the Wetware Dao Body and Nether Spring into each other. So theoretically, Chen Xuantian could entirely continue down this path of proving the Dao through tribulations, refining anyone he sees, transforming the Nether Spring at the slightest disagreement, growing billions of tentacles and transforming into the Dao Body of the hellish Great Dao~
Cough cough, but that's not possible.
