Absolute fact

"How?" Evie asked, her eyes wide in surprise and relief to hear that there was a way.

Gavrael looked at the dragon's wound first before answering Evie's question. "You can still save him as his wound is at the stage where it's still curable." he said, "all you have to do is touch the wounded part then call forth your healing magic."

"I have healing magic?" her eyes widened. How come Zanya did not tell her anything about this?

"Light faes and us, dark faes have healing magic. It's pretty common. However, most faes are not able to heal dragons." Gavrael explained. Back then, he had tried to heal one before Evie tried, just so he could do something to stop Evie from crying over the dying dragon. But it did not work. His dark magic could not work on the surface dragons, unlike in the Under Land. In fact, the other light faes tried too, back then, but it was all futile. Only Evie had that unique magic to cure a dragon.