FAIRadiusToRunDetectionInterior

Distance from the player to other actors (NPCs, creatures) at which the game starts checking whether the actor notices the player. For hostile actors, this is the distance where the actor may notice the player and attack, assuming the player is not hidden in some way. Increasing this value makes dungeon exploration a lot more dangerous.

FAIRadiusToRunDetectionInterior only applies in dungeons and buildings. See FAIRadiusToRunDetectionExterior for detection in the wilderness.