Luna and Nightmare, performing stupid stunts together. They're trying to make a Sonic Moonboom or a Double Rainboom or something. It's always fun until somepony gets hurt.

I wonder what effect their horns have on their aerodynamic status? I actually drew them horizontally and when I was nearly done, rotated the image. The wings were impossible to draw. I love their large alicorn wings, but they're so difficult to get right (in the end, I just copy-paste-edited them…). I also originally wanted their back legs interlocked as well, but I couldn't visualise such a position in my head and so it wasn't drawn.

Additional Files: Horizonal version. It's interesting that despite the only change being rotated 90 degrees, the horizontal version is 2 MB larger and took 15 minutes longer to export.
Reuse: You are not allowed to reuse this image without permission. If you post it on another site, I ask that you include a link back here.

The Nightmare Moon and Princess Luna characters and My Little Pony: Friendship is Magic are the property of Lauren Faust and/or Hasbro and/or others.
Thanks to Skylark-Torch for feedback while I was creating this image. He even quit Halo 4 to take a look at it for me!