Minecraft wiki entry for Exploring_an_ancient_city, associated text: However, the presence of just one shrieker doesn't mean the player should not prepare for emergencies. It is perfectly possible for there to be another, hidden shrieker the player fails to see, or there is a hidden sculk sensor behind a pillar or wall or something that alerts another shrieker further away. This illustrates the extreme importance of scouting the area before breaking any shriekers, preferably using the third-person view to view from a higher vantage point and from different angles. Even when thoroughly prepared, the player should also prepare for the scenario below.