Memories of the old life
Not only was Hao Xuan fighting the Wraith on its home turf without his sight, but all that without using any abilities that require spiritual energy.
If that were any other cultivator it would be a death sentence for them because the intense Yin energy would interfere whenever they tried to use any skills and might even backfire. It would be akin to lighting a match inside a tornado of methane gas.
Nae Shin wondered, 'If we were to fight in the same realm, how could I possibly beat him when all my skills depend on internal energy?!'
These precious children of powerful ancient clans were terribly proud of their special abilities and techniques that had been passed down to them for generations. But there was little else they could do when using them wasn't an option anymore, simply because they never had to depend on anything of the sort.
Rather than a boon that aided in their growth, these legacies became crutches that held them back.