Yora
Legend
The point of randomly encountered creatures is to put pressure on the players to avoid spending unnecessary time in the dungeon and be discovered by creatures that can cause them harm but offer no rewards. It makes them have to consider leaving some less valuable treasure behind to move faster, or to abandon supplies and tools that are cheap to repair, but might be urgently missed later on.
None of that applies in 5th edition, of course.
None of that applies in 5th edition, of course.