Immunity

Immunity is a creature's resilience or total imperviousness to supernatural powers, objects, affects, or forces which affect other members of its species. It appears that a creature's age, power level, and/or rank within its species hierarchy dictates if it is immune to its species weaknesses and to what degree it is immune.

Characters with Immunity

 * Archangels
 * Lucifer - Lucifer has limited immunity to the Colt, as although it hurts him and temporarily knocked him down, it can't kill him. He is one of only five beings in creation it can not kill.
 * Michael - Michael has limited immunity to holy fire, as although it banishes, damages and hurts him, it can not kill him.
 * Demons
 * Abaddon - Abaddon is completely immune to (atleast some) exorcism rites and Churches. She has limited immunity to the Demon-killing knife. She is more resistant to holy fire than regular demons.
 * Alastair - Alastair was completely immune to Churches, lower angel smiting, and iron. He was mostly immunity to the Demon-killing knife.
 * Astaroth - Astaroth was at least resilient if not immune to iron.
 * Azazel - Azazel was immune to Holy Water, Salt, and Churches and possibly Demon-killing knife
 * Crowley - Crowley is immune to Churches. He may also have limited immunity to salt.
 * Father Gil - Father Gil was immune to Churches.
 * Lilith - Lilith was immune to Churches. She was also said to be immune to Holy Water. She was initially completely immune to Sam's powers, but later lost this immunity when Sam got stronger.
 * Meg - Meg was immune to Churches.
 * Ruby - Ruby was immune to Churches.
 * Samhain - Samhain is immune to iron. He was also atleast ressilent to the demon killing knife.
 * The Seven Deadly Sins - The Sins were resilent to Holy water possessing a higher endurance to it, and could recover faster than regular demons.
 * Special Children - Special Children have immunity to each other's none physical powers.
 * Sam Winchester - Sam is completely immune to the Croatoan Virus and demons' White Light. He is initially susceptible to Lilith's powers, but quickly develops complete immunity to them. When he has drank enough Demon Blood, he is completely immune to the powers of other demons.
 * Ghosts
 * Jacob Karns - The Hookman was immune to Churches, and was ressilent to salt, quite impressive for a spirit.
 * Leviathans
 * Dick Roman - Dick was ressilient to Borax, able to casually shake off the pain it caused.
 * Leviathans - Leviathans are immune to non physical angelic powers
 * Edgar - Edgar was ressilient to borax, although still finding it agonising, he was able to recover faster than normal Leviathans.
 * Monsters
 * Alpha Shapeshifter - The Alpha Shapeshifter was immune to Silver.
 * Alpha Vampire - The Alpha Vampire has at least limited immunity to dead man's blood, able to still function and kill after taking incredible ammounts.