We are hosting a reenactment of a historical event known as a Black Mass. The performance is designed to be educational and is preceded by a lecture that provides the history, context, and origin of the Black Mass. While a piece of bread is used in the reenactment, the performance unequivocally does not include a consecrated host. Our purpose is not to denigrate any religion or faith, which would be repugnant to our educational purposes, but instead to learn and experience the history of different cultural practices.
As I commented above, a black mass is not a "historical" event. Not buying their explanation.
There is no way that they can host a group whose sole purpose is to demean another religion.
To use any bread at all is to re-enact their demeaning hatred of Christian practice in the Christian eucharist.
How is using a consecrated host NOT denigration of religion?