Underneath Mount Ebott is a surprisingly large cavern complex. On the western edge, there's a ruined town built from purple brick. On the western edge of that, sunlight from cracks far above illuminates a patch of golden flowers, surrounded by pillars.
"I don't see it. Maybe humans on your planet can see more kinds of light than humans or monsters here can?"
"I suppose that is not out of the question." He will go have a look. It wasn't there before - if it's a scrying sensor he has already pointed straight at it -
His hand passes through it. It's warm.
If he had any injuries left after healing himself, they're gone now.
If Blai were to die, or otherwise encounter a serious problem, would he want the option to return to this light?
There's a new magic action he could take. It's not channeling or casting a spell or using a domain ability.
Toriel reaches in the general direction of the tiny star and feels around. Even when her hand passes through it, she doesn't seem to react at all.
"Huh."
Toriel leads Blai through the gateway and into the first room. It has an arrangement of 6 pressure plates leading to a lever. She steps on the outer 4 and pulls the lever, opening the door to the next room.
"Allow me to educate you in the operation of the Ruins. The Ruins are full of puzzles. Ancient fusions between diversions and doorkeys. One must solve them to move from room to room. Please adjust yourself to the sight of them."
Why does she talk like that? Maybe it will become less weird with exposure to the translation effect. "I believe such things exist on my world also but they are not popular anywhere inviting much traffic."
"The Ruins do not invite much traffic. These puzzles are historic defensive measures which were not removed."