Powerful Spine MagicI saw somebody post this in praise of the anime Fairy Tail’s anime only (‘filler’) content. I’ve never watched it myself, so I can’t speak to its quality, but I’m certainly sure that’s not what a spine does.
Although, then the angle, maybe she’s just twisting a vale inside of her open to unleash an epic fart attack.
I was Google Image searching the first pic to confirm where it came from, and Google recommended another image for me which I added. xD