Afflictions

Afflictions are status effects that enemies can receive. Enemies can receive multiple different afflictions at the same time, but the same affliction will not stack on enemies. Both good and bad guys can receive and inflict afflictions, though some beings are immune or resistant to certain types.

Poison
Poison causes True Damage over time to afflicted targets. The damage will not be very much in the matter of a few seconds, but poison can last for a long time and add up to hundreds of damage. Poison cannot be cured, it only stops once the effect runs out of time. Certain units are immune to poison damage, but none are exceptionally vulnerable.

It is also important to know that most poison is unable to kill targets, as the damage automatically ceases if the afflicted unit is at 3 or less health. Poison also cannot stack, once something is poisoned it cannot be poisoned again until the effect wears off, even if the poison is coming from different sources.

Although the Necromancer Tower's Pestilence ability causes poison damage, it does not inflict enemies with the effect, but rather deals the damage as long as an enemy is in the range of the area of effect.

Immunities

 * Kingdom Rush:
 * Spider Hatchlings, Giant Spiders, Spider Matriarchs, Skeletons, Skeleton Knights, Magma Elementals, Sons of Sarelgaz, Noxious Creepers, Mutated Hatchlings, Husks, Zombies, Golem Heads, and The Juggernaut, are immune to poison. Despite being a spider herself, Sarelgaz is not immune. On the Steam version, Sons of Sarelgaz are not immune to poison but Sarelgaz is.
 * Ingvar Bearclaw can be poisoned, but he doesn't take any damage from it in bear form, not will his healing be affected in any way.
 * Kingdom Rush: Frontiers:
 * Grawl cannot be poisoned due to his lack of a bloodstream; allowing him to be an especially useful meat shield to stall poisonous enemies.
 * Both dragons, Ashbite and Bonehart, are immune to poison.
 * Alric's Sand Warriors are immune to poison.

Stun
Stunning causes afflicted units to become unable to perform any action during the effect. Stars will appear around their head for the time they are afflicted by the stun. It will also stop any regeneration.

Similar afflictions
Though these afflictions are not stuns (and thus can stack with 'regular' stuns, as well as each other), their effects are virtually identical.


 * Kingdom Rush:
 * The Rangers Hideout entangles enemies with Wrath of the Forest for 1/2/3 second(s), dealing 40 damage per second.
 * Elora Wintersong has a 30% chance to freeze enemies with each of her bolts. Although this isn't technically stunning, it has the exact same effect, lasting for 2 seconds.
 * Kingdom Rush: Frontiers:
 * Captain Blackthorne's Release the Kraken entangles the first 4/5/6 enemies walking into its radius, preventing them from moving, attacking or using abilities.
 * Enemies under attack from Alric's Flurry or Kutsao's Leopard Style is immobilized and unable to respond.
 * A Parasyte prevents soldiers, including Necromancer Tower units, from moving and attacking when it latches onto them.
 * Kingdom Rush: Origins:
 * Arivan freezes an enemy for 2/4/6 seconds with Icy Prison, and inflict the same effect to foes caught by his Hero Spell, once it has been upgraded enough to be able to freeze enemies.
 * Vez'nan can trap 1/3/6 enemies in a dark magical cage for 3 seconds, dealing magic damage.
 * The Sorcerer's Stones in the Soaring Ruins have one third chance to freeze enemies in their range for 4 seconds when activated.
 * Arcane Archers put an enemy to sleep for 4 seconds once every while with Slumber Arrows.
 * Bladesingers render enemies immobilized and unable to attack while Blade Dance is used on them.
 * Cloud Stalkers have the same effect as Parasytes when breeding in soldiers.
 * The Twilight Heretic can trap up to 2 soldiers for 6 seconds with Grip of Darkness, dealing 5 damage per second during the effect. Heroes are unaffected.
 * The Shop's Frozotov freezes all enemies in a small area, while the Chill Wand does the same thing for all enemies on the screen and enemies waiting to attack. Found in both Kingdom Rush and in Frontiers.
 * Kingdom Rush: Vengeance:
 * Every hit from the Melting Furnace stuns enemies for a brief period.

Immunities
So far, only bosses are immune to stuns from all sources.

Speed Reduction
Speed Reduction causes units within the area of effect or units struck by the affliction to become slowed to certain degree. Slowing only affects movement speed, and all other stats are unchanged. Bosses and mini-bosses are immune to speed reduction.

Because there are so many ways to reduce the speed to different amounts, almost every slow effect will stack.

Immunities

 * Kingdom Rush: Origins
 * The Bandersnatch cannot be slowed at all.

Weakness
Weakness reduces the damage of the afflicted targets, while sometimes increasing the damage they take as well.

Every form of Weakening can stack with a different one.

Burn
Burning enemies take Fire Damage, a sub-form of True Damage, over time. This is not to be confused with normal fire damage, which simply hurts its victims once every time they are struck, like from Rain of Fire. Burning enemies have a unique flame animation over their bodies to show that they are burning and not just taking raw fire damage.

Burning is generally rare for both sides to have, but more common in Kingdom Rush: Origins and Kingdom Rush: Frontiers than the first game.

Similar Afflictions

 * Rain of Fire deals fire damage, and its upgrade, Scorched Earth, deals fire damage over time to enemies in the AOE, but does not inflict any burn effect.
 * The fire cracks in the Pit of Fire burn enemies by 20 fire damage per second, but only affect enemies that are directly on them, and therefore does not inflict enemies with burning.

Immunities

 * Ignus and Phoenix are immune to all kinds of fire damage, including burning.
 * Ingvar Bearclaw can be burned, but in his Bear Form, he does not take any damage, and can still heal normally.