Cool way to explore your inner world, inner thoughts, etc. Sort of like when I use a laptop to view a dream from the past.
I remember a non-lucid where I was trying to coax a cute animal out from under my bed... it wasn't my real bed, that's a waterbed, but I had a normal queen bed and there was a cute animal under it growling at me. I hope you weren't hiding from me...
dragon killed teh humans, anyways it was a pretty badass dragon.
A convent? The dragon killed the people or the creatures? Anyway, sounds like Xaphor.
On 'Hitchhiker's Guide to the Galaxy' they say you should always know where your towel is... and it definitely helped you here!