Maybe he could explore the cave by himself, and when he gets in there, all the other villagers could push the boulder back and he wouldn't be able to come out! (at least until he promised not to have parties until AFTER the dead were buried properly)

If there was a waiting time for him to stay in the cave (like the penalty box or time out), say a game's two years worth, then when he came out he'd have some tidbit of new information about the stuff in the cave? Then, aside from healing people, I think he'd be really useful!
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Cheers, Prost, Kampai, Slainte, and all that jazz,
Susan
Member, SPCV
My Fan Fiction story is "Secrets in the Sand"
I'm proud to be a full time Mom!