Elder Sign
What happens when an investigator is devoured and no replacement investigators are left?
The rulebook states the elimination rule and the losing condition directly.
- Elder Sign rulebook · Rulebook · Being Devoured
- Elder Sign rulebook · Rulebook · Winning the Game
That player is eliminated from the game. The devoured investigator's card and marker go back to the game box, so the pool shrinks, and the game continues for the other players until every investigator is devoured.