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Stealth is the mechanic that renders a unit invisible for a determined period of time. Stealth is divided into three categories: Ambush 2 Camouflage (or Strategic stealth), Twilight Shroud old2 Invisibility (or Tactical stealth) and Noxious Trap Stealthed traps.

Invisibility Shimmer

Units shimmer when attacked in stealth.

Notes

  • Stun icon Crowd control effects do not break stealth with the exception of Taunt icon taunt, which forces the unit to attack.
  • Stealth grants Ghost ghosting inherently, but being revealed will cause the unit to lose it and collide with other units again.

Camouflage

EditCamouflage is a form of stealth that is activated preemptively in order to ambush an enemy or to bypass the enemy's vision, usually lasting longer than Twilight Shroud old2 invisibility. It also grants Ghost ghosting.
  • Camouflaged units are temporarily revealed while being inside the line of sight (i.e not in the fog of war or behind a Turret icon turret) of a nearby enemy Champion icon champion (with the range depending based on the ability), when within the vision radius of an enemy Control Ward item Control Ward, or from sources of True Sight icon True Sight.
  • Camouflaged units will briefly shimmer whenever they take damage. A unit cannot shimmer more frequently than once per second, and shimmering does not make a unit targetable nor remove the stealth effect, but grants positional information to the enemy.
  • When a camouflaged unit can be seen, they will be warned by an exclamation mark above them indicating they have been spotted.

Camouflage provides indicators that distinguish the state of the stealth effect.

(Only visible to the stealthed unit)


Champions

Invisibility

EditInvisibility is a form of stealth that cannot be revealed by standard Sight icon sight. It can be utilized by Champion icon champions to sneak in on their opponents as well as the ability to reposition in-combat or simply to flee from a skirmish. It also grants Ghost ghosting.
  • Invisible units can only be revealed by True Sight icon True Sight and will briefly shimmer whenever they take damage (e.g. if hit by a skill shot). A unit cannot shimmer more frequently than once per second and doesn't make a unit targetable nor remove the stealth effect, but grants positional information to the enemy.


Champions

Stealthed traps and wards

EditStealthed traps have a unique form of stealth that cannot be seen by standard Sight icon sight. They can only be revealed by True Sight icon True Sight, Control Ward item Control Wards and Oracle Lens item Oracle Lens.


Champions
Items

Stealth Ward icon Stealth Wards or Totem Ward icon Totem Wards from:

Stealth detection

There are various ways for a champion to gain the ability to see stealth. True Sight icon True sight is a form of vision that directly reveals stealth. All Turret icon turrets have true sight reveal as well as some champion abilities. Sweeper Drone icon Obscured vision will reveal stealthed units through a partially translucent outline, but does not render them targetable. When a revealed stealthed unit leaves the revealed area that unit does not experience a fade time; the unit immediately turns stealthed again. The following is a list of possible ways to detect stealthed champions:

Champion Abilities

The following champion abilities can reveal stealthed units for a period of time:

Breaking stealth

Stealth is lost immediately from basic attacking and ability casts, unless otherwise stated. Using consumables or trinkets do not break stealth. Casting summoner spells and item actives vary. Channeling Recall Recall will always break stealth.

Summoner Spells

The following summoner spells will break stealth upon activation:

The following summoner spells will not break stealth upon activation:

Items

The following item actives will break stealth upon activation:

The following item actives will not break stealth upon activation:

Consumables
Trinkets

PENDING FOR TEST:

Presence detection without reveal

Leap Strike Unit-targeted effects cannot be cast on stealthed enemies, as they require Sight icon sight of targets. Electrical Surge Auto-targeted effects that do not require sight will indicate whether or not they can be cast, lighting up in the HUD and becoming available to use even if the target in range is not visible. The following abilities can inform the presence of a hidden unit:

Skill shots

Sear Direction-targeted abilities, also known as skillshots, will still hit enemies that are not visible, but does not grant Sight icon sight of them, even if the ability in question did (True Sight icon True Sight exception). Note that the visible Projectile projectile will stop short of its trajectory, meaning visual and audio effects (e.g. Dr. Mundo OriginalSquare Dr. Mundo's Infected Cleaver Infected Cleaver will make a splatter and show a small eruption of blood upon impact) indicating if a non-visible unit is hit. The following can detect hidden enemies since they function the same as if they were unseen in Brushmaker Brush.

Gameplay Elements
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