Stealth

Stealth is an status effect in Darkest Dungeon that prevents monsters or Grave Robber from being targeted. Generally, it will only last for the first two rounds, though there may be some exceptions. Enemies that have Stealth can still be hit by attacks that hit multiple targets. Additionally, some hero skills can bypass Stealth and can target enemies with it. If an enemy is hit with such a skill, they will no longer have Stealth. However, a player cannot use an multi-target attack if all the enemies who would be hit have stealth. For example, a Highwayman couldn’t use his Grapeshot attack on the Gorers above due to no un-stealthed units. Hitting a stealthed unit with an area-of-effect attack will not de-stealth, except for Rallying Flare.

It is signalled by a purple eye icon and monsters are a murky grey-blue while they have Stealth.

Enemies with Stealth
Some enemies will begin battles with Stealth starting at the dungeon difficulty listed in the table: