Mafia 31. Twilight Dances.

Usually, hints are given upon death, but not just like that. It would be too obvious!

Someone didn't like Hermit.
Someone might have taken a risk.
Someone didn't care about the game.

Here are three possible reasons for Hermit's murder, and to all three, you can add "Stupidity," even if Hermit was a Mafia member, but that's unlikely. Elves don't hang out in taverns, maybe.

Viceroy, Advisor...DIE!!! I want to go hunting!

If Hermit was a Viscount, would he write something like that? Although the note could be a lie, but there's no point in that.

I hope Hermit was a golem and they'll fix him).