Have some more of this AU. This time, the Scions of Lorelei are twin Skywings, hatched from a single egg!
Asch (or "Ash") has firescales. Luke, meanwhile, is the hidden shame of the royal family. Crimson, their father, feels that the Queen was too soft. Skywing law demands that a dragonet like "Light" should have been culled, lest he pass along his lack of fire down the bloodline. Ash, too, should not have been allowed to live. But prophecy (and the pleas of their mother, sister to the Queen) won out.
Ash has been raised as a weapon of the Sky Kingdom, resentful of the role he has been forced into.
Light is a hidden, shameful secret.
And Mieu, Light's pet scavenger, accompanies him nearly everywhere. Light is not permitted to leave the cave system without an escort. Mieu is a scavenger, orphaned at a young age, and found by Light on one of these incredibly rare outings. Light begged to keep him as a pet.
Mieu, struggling to speak the dragon language, gave him a scavenger [human] name: Luke.
Over the short years of his life, Mieu has grown to understand dragon speech, and "Luke" has likewise developed an understanding of scavenger speech. It is physically difficult for each to speak the other's language due to anatomical limitations, but they get by. They often use a simplified version of the other's language, which often meshes into an evolved hybrid "gibberish" only they can truly understand.
Despite their disparate life experiences, the boys share a desire to escape the Sky kingdom. They have an understanding, and though they often don't get along, their bond is stronger than one might expect.
I'll be using the tag #au: wings of the abyss for posts within this setting!