Immune
"Immune" is a possible outcome of any attack or spell, meaning that it was ineffective against the target. It is indicated by an "Immune" text appearing at the character that was attacked, and, for spells that inflict status effects, as an error message ("Skill failed: the target is immune").
Unlike a regular resist, absorb, or a miss, a character that is immune will always remain immune, no matter how often you use the spell. For example, using Thunderbolt (a Wind spell) against a Wind 4 element monster will show "immune" instead of a damage number, because no matter how often you use Thunderbolt on it, it will never work.
Notes
- Any element 4 (or higher) character is immune against attacks of its own element. This is because based on the Elemental Property Table, damage is reduced by 100%, making it 0 no matter how high the damage was (with the exception of the Ghost element. A ghost 4 element monster will be immune against neutral element attacks).
- Guardians, High-Guardians and Bosses are immune against any effects that impairs their movement (such as Overpower or Curse of Slowness), silence effects, and effects that causes loss of control (such as Flash Freeze, Possess or Nightfall).
- Some spells - such as Bash - have multiple effects that can be resisted. They will show an "immune" message if one effect is resisted, even if the other effect went through. For example, Smite both interrupts a spell, and applies a silence effect, which renders the target unable to cast the spell again for a set amount of time. If used against a boss, the spell interruption will work, however the silence effect will fail - thus giving an "immune" message, even if the spell was successfully interrupted.