You had come across one of the rarest items in the magic market, a pixie dust dispenser. They kept a live pixie inside and served to spray this dust on yourself or others, enjoying of unique magic properties at the expense of their suffering.

You found him there sitting on the depth of the flask with his arms crossed, trying to avoid looking at you with his big blue eyes. His wings were immaculate, resembling both of a firefly and a butterfly.