Wow, was it chequered? I realise that may seem a weird comment but I refer to this:
8. Astral Decor
When travelling in non-physical realms, spirits often appear in environments that have chequered floors (not necessarily black and white) and columns, like a classical Greek temple look, regardless of the cultural associations of that spirit, and often very large doors, which appear (if they were in a physical location) maybe 30 or 40 feet tall;
△ Detail from “Harmonia” by Virginia Frances Sterrett
From this topic: Common Experiences Among Magicians
I’m getting a STRONG Astaroth vibe from this fwiw but I do not work closely with either Lady so don’t let that carry too much weight.
It certainly seems like she was into you! 