We have covens where I'm from and they can call upon the power of their ancestors. Honestly, if that's happening here, this exhibition of power makes sense. They're very powerful when they come together though I don't know what the point of doing this to random people would be.

( besides inevitable bragging rights. he steps forward and opens a few cupboards, peering inside of them. )

But I think they would have been able to be sensed or they would have made themselves known with what they want from all of us. They have massive amounts of power but it's finite.