User blog comment:VedranTheII/Pretentious Diaries 2: What tricks would you teach your Aura?/@comment-25479664-20151104185638/@comment-27087951-20151111221647

The first one doesn't look like an Aura slash though.

You know how in many, many, many works, when someone swings a blade it leaves a trail even though it makes no sense whatsoever that it does? It seems more like that. Adding a trail behind the weapon when it's swung for coolness-factor.