Invincibility - Target is immune to all damage and debuffs for 3 turns.
Type: buff - Category: Shield, Status Effect
See also: | 
Aegis Shield | 
Blending In | 
Damage Reflection | 
Ethereal Spirit | Invincibility | 
Shrouded | 
Unbreakable Heart
Invincibility blocks all damage from attacks and debuffs with two exceptions:
Chaos Damage and Chi Damage and- Shield-piercing attacks
can still penetrate the shield and hurt the hero. If the damage is blocked "0" pops up. Other Debuffs can still be applied, however.
Invulnerable makes the target immune to all debuffs.
Heroes
The following heroes have or can inflict/apply Invincibility:
Kindred Mourning (Trait): Becomes Invincible (immune to all damage) for 2 turns if an allied Reptile dies. Invincibility will only be applied if an allied Reptile of an equal or greater level dies.
Kindred Mourning (Trait): Becomes Invincible (immune to all damage) for 2 turns if an allied Reptile dies. Invincibility will only be applied if an allied Reptile of an equal or greater level dies.
Death Bites (Special Attack): Ranged Physical attack on all enemies that consumes up to 5 Venom stacks and deals 20% more damage for each Venom stack removed. Will grant 'Invincibility' on a killing blow.
Safe Haven (Special Attack): Cleanses all debuffs from target ally and grants them Invincibility for 1 turn.
Tangled Triad (Trait): If on a team with 2 or more allied Gorgons, self and Gorgon allies start dungeons with Invincibility for their first turn. Kindred Mourning (Trait): Becomes Invincible (immune to all damage) for 2 turns if an allied Reptile dies. Invincibility will only be applied if an allied Reptile of an equal or greater level dies.
Ageless Immortals (Trait): Reptile allies gain 1 turn of Invincibility when purging Venom.
Epic Heroes with Invincibility:
Immunity
The following heroes are immune to Invincibility:
Chaos Missile (Basic Attack): Basic Ranged Chaos attack on a single target. Chaos Damage is shield and armor-piercing and it cannot be dodged or parried. It ignores the five Elemental Resistances as well as Damage Reduction. But never scores a CRIT.
Cataclysmic Conflagration (Special Attack): Sacrifices self, dealing shield-piercing damage to all enemies with 100% base chance to purge all buffs and add Soulfire Burn to enemies hit. Removes all enemy corpses. Can't be dodged.
Solar Flare (Special Attack): Shield-Piercing Ranged Light Attack on all enemies for [??% ATK] base damage with 100% chance to Blind. Consumes all stacks of Solar Scales, and deals additional damage based on the number of stacks consumed. Starts Powered.
Infernal Inferno (Special Attack): Shield-Piercing Ranged Fire attack on all enemies that ignores Damage Reduction and inflicts Demonfire Burn on hit (damage over 2 turns, cannot be cleansed).
Windows to the Soul (Trait): All attacks are Shield-Piercing and will heal [25%/50%] of damage dealt (% healing increased with Skill). The percentage value depends on the rank (I-II) of the trait.
Storm of the Ancestors (Special Attack): Shield-piercing ranged lightning attack on all enemies, consumes all stacks of Storm Power, dealing 10% more damage for each Stack of Storm Power. Adds a Buff to all allies that increases their damage to Shocked or Paralyzed targets.
Arcane Bolts (Special Attack): Armor-Piercing and Shield-Piercing Ranged Spirit attack on all enemies.
Chaos Missile (Basic Attack): Basic Ranged Chaos attack on a single target. Chaos Damage is shield and armor-piercing and it cannot be dodged or parried. It ignores the five Elemental Resistances as well as Damage Reduction. But never scores a CRIT.
Demolishing Smash (Special Attack): Armor-Piercing and Shield-Piercing Melee Physical attack on target that Wounds target enemy. Starts Powered. 
Doom Bolt (Special Attack): Shield-Piercing Ranged Lightning attack that deals 1.5x damage against Armored tagets. If target dies, the corpse is removed.
Murky Shield (Special Attack): Shield-Piercing Ranged Dark attack that grants self Murky Shield, becoming Paralysis and Silence Immune for 3 turns. Enemies cannot Revenge while Murky Shield is activated.
