It is always clinging to its Witch's feet so it can attend to its needs. The holy water that gushes forth from its Witch's purification rites can cause it to dissolve, so it is always running around to dodge it. Still though, its passion for its charge holds strong - it will not leave the Witch's side until the day comes when it is completely purified. However, the minions feed upon the sins that gush out of the Witch to survive, so total purification has its downsides too.
These minions are usually found swarming around the witch’s feet, attending to her needs.
The water flowing from the witch’s purification rites will dissolve them on contact, forcing them to constantly rush back and forth, but they adore their master nonetheless. They never leave her side, eagerly awaiting the day when her purification is complete.
They also happen to feed off the impurity that washes off from the witch, so it seems like they’ll be faced with a different problem if she’s ever completely purified.