Supernatural magick isn't real. This means every magician who has ever performed a ritual has either been deluding themselves or engaging with nothing. This means literally every ritual is an opportunity for a sufficiently powerful force to engage with it because nothing else is.https://twitter.com/mykola/status/1198719315589160960 …
Well for instance, in the ancient world the masters would stand behind pillars or inside of statues and pretend to be the voices of spirits and gods. But this trick can be extended WLOG to anything; literal spirits, aliens, simulators, time travellers; anything.