There's a way, but with more moving parts it can actually be more dangerous. It's difficult to explain.

[Maybe he'll try to, someday, when they're not in such dire straits where time is very much of the essence.

He nods, to indicate yes, that beach.]

I just wanted to know if something could have been done to stop all that death. Almost everyone I know here was killed during the battle with the leviathan, so... it might have helped, to just know.

[He knows in his heart that knowing makes it no easier, either way.]

Much harder. I have to get back so that I can wake up. If I don't wake up... obviously I'll die, eventually.

[He leans in to look at the puzzle, murmuring the answers. Parts of the room start to glow in answer, warmer and more wholesome than radiation.]