Immunity

Immunity simply means that a class is unaffected by a certain type of action.

Death Immunity

Permanent

• The Mastermind is immune to death at night.
• The Possessor is immune to death at night.
• The Sorcerer is immune to death at night. 
• The Psycho King is immune to death at night.

Temporary

• The Alchemist can give herself immunity to death for a night by using the Stoneskin Potion ability.
• The Inquisitor is immune to one attack, until they achieve their victory condition.
• The King can give themself immunity to death for a night by using the Guards ability.
• The Fool can make themselves immune to all attacks for a night by using Hide.
• The Scorned is immune to death at night, until their victory condition is met.

Temporary (with attack-triggered effects)

• The Hunter can give himself immunity to death for a night and kill all of his attackers by using the Bear Companion ability.
• The Knight can give another player immunity to death for a night, kill all of that player's attackers, and sacrifice himself by using the Defend ability.
• The Mercenary can grant protection from one attack with her Shield.

Healing

• The Alchemist can prevent another player's death by using the Crimson Potion ability.
• The Physician can prevent another player's death by using the Heal ability.
• The Reaper can prevent their own death and consume a soul by using the Consume Soul ability.

Occupy and Target Changing Immunity

Permanent

• The Butler and The Servant are immune to most forms of occupation and target changing.
• The Drunk and The Alcoholic are immune to most forms of occupation and target changing.
• The Fool is immune to most forms of occupation and target changing.
• The Hunter and The Poacher are immune to most forms of occupation and target changing.
• The Invoker is immune to most forms of occupation and target changing.
• The King is immune to most forms of occupation and target changing.
• The Mastermind is immune to most forms of occupation and target changing.
• The Possessor is immune to most forms of occupation and target changing.
• The Prince is immune to occupation and target changing.
• The Scorned is immune to most forms of occupation and target changing.
• The Sorcerer is immune to most forms of occupation and target changing.
• Any of the above mentioned that can become The Assassin or The Cult Leader will keep their immunity to occupation and target changing after converting.

• After a player has been occupied a total of 3 times, they will become immune to occupation for the rest of the game. (Being imprisoned by The Prince 3 times can cause this and prevent further imprisonment)

Temporary

• The Enforcer can give The Assassin immunity to occupation and target changing for a night by using Frenzy.
• The Court Wizard can a Support class immunity to occupation and target changing for a night by using Empower.

Conversion Immunity

Permanent

• All Unseen and Cult classes are immune to Conversion.
• The Alchemist is immune to Conversion.
• The Fool is immune to Conversion.
• The Inquisitor is immune to Conversion.
• The King is immune to Conversion regardless of Faction.
• The Possessor is immune to Conversion.
• The Prince is immune to Conversion.
• The Reaper is immune to Conversion.
• The Scorned is immune to Conversion.
• The Sorcerer is immune to Conversion.
• The Mercenary is immune to Conversion.
• The Sellsword is immune to Conversion.

Temporary

• The Hunter can give himself immunity to conversion for a night by using Bear Companion. This will not kill the player attempting to convert them.
• The Paladin can give another player and themselves immunity to conversion for a night by using Smite. This will also kill The Cult Leader if they attempt to convert that player.
• The Court Wizard can give another player immunity to conversion for a night by using Clear Mind.

Bleeding & Poison Immunity

Permanent

• The Alchemist is immune to bleeding and nightshade poison.
• The Physician and The Herbalist are immune to bleeding and nightshade poison.
• The Sorcerer is immune to bleeding and nightshade poison.
• Anyone who had The Physician using Inoculation on them is immune to bleeding and nightshade poison.

Visit Immunity

• The Prince can make their target immune to visits by using the Imprison ability.