This aura has been acting weird since around the Halloween event, at least.
It used to be a semi transparent aura with a haze and a very slight wave effect. Lately though it's taking on more of the Ghost materials liquid look. It's ugly.
I checked all my settings. Unequipped it and re-equipped it. Nothing fixes it. And the weird part is that sometimes it will be the correct aura for a while then it changes to the weird broken one again.