Check out Sue Vincent’s Photoprompt here:
Nothing was to scale in this place.
With a sigh, he breathed a whisper into the small opening, waiting for the eerie welcome to invite him inside.
It didn’t come, but a shadowy creature slid towards him on its belly out of gloom.
An elongated forked tongue responded
‘ It is not your time, you are not ready and must go back. The Portal is not finished.’