Anyway, Christian religion has a long history of using curses and spells. Even the popes did stuff like anathema and excommunication (a common method of cutting off heretics). Using curses was not that uncommon for Christians, as long as it did not attack the believes of the Bible.

Bullauns might have been used for both curses and curing. Scientists think people used to turn the stones around (in water) saying a cure or curse. Bullauns are also called Cure-stones. People used to do this in ancient times (in the good old megalithic and neolithic days) and it may have well been connected to purifying rituals (which is often the case when water is being used). Some other old stories tell us these ballauns were used to offer ceremonial gifts to the spirits of the deceased (more or less like burning a candle or incense in a church) and thus it is a way of both mourning the people you once loved and trying to remember the dead.

Bullauns and cursing stones are found in the ancient Celtic, Frisian, Germanic and Norse territories. It is very common for Christianity to adept ‘pagan’ elements in there own culture. The Roman church did this very consciously and deliberately (they called it compunctio). Just like adapting the Christmas tree, 25th December as birthday for Christ et cetera. Some argue ballauns were used as baptistry/font: thus turning a pagan symbol into something Christian.