>>23517861that's the whole point, it doesn't grow wings naturally, it forced them to grow out of sheer willpower. they're probably made out of its shell, which developed out of bagon's helmet to protect it, so it's some kind of adaptive tissue.
its wings don't help it fly any more than dragonite or hydreigon's. none of their wings make sense, so it's likely that dragon pokemon just use internal gasses for lift, and steer with their wings.