User blog comment:FairyRaven/Fairy Tail Chapter 399: Wings of Despair, Review and Commentary/@comment-5593752-20140908132855/@comment-7418318-20140909072715

That would suck.

Apart from there already being too many Dragon Slayers - or rather Slayers of any kind - why would a Celestial Spirit's power turn someone into a Dragon Slayer? Spirits and Dragons are totally different things and we didn't even get a hint of a connection, or Aquarius having such powers.