Items such as Environmental's Thief's Hood, Malum's Necklace of Blissful Harmony, Reliquary's Twilight Cloak, as well as Reliquary's various charms make it so that mobs will have trouble detecting players. It should be made such that, as difficulty increases, there exists a growing range around all mobs in which they can always detect and track players, even through walls, regardless of what trinkets they may have to hide themselves.
Items such as Environmental's Thief's Hood, Malum's Necklace of Blissful Harmony, Reliquary's Twilight Cloak, as well as Reliquary's various charms make it so that mobs will have trouble detecting players. It should be made such that, as difficulty increases, there exists a growing range around all mobs in which they can always detect and track players, even through walls, regardless of what trinkets they may have to hide themselves.