User blog comment:Miskos3/Fairy Tail Chapter 334: Sin and Sacrifice, Review/@comment-5840892-20130607181616/@comment-7418318-20130607191832

Considering that Chelia and Wendy together weren't able to fully heal Lucy after Naval Battle, I doubt Chelia could heal those kind of wounds all by herself.

Maybe if the two Sky Sorceresses would work together again.