Immune to Magic

• There is no way to reduce Magic Resist % of Immune to Magic monsters. However, Holy Bolt and Fist of the Heavens holy bolts will pierce (ignore) Magic Resist % of undead: magic damage of these skills will be applied to undead as though they had MR 0%.
• Mana Burn applies MR +20% to a Unique monster, which can make it Immune to Magic if MR >79% and it would not result in a third immunity or increase one of two or more existing immunities.
• No Immune to Magic monster has Damage Resist >50%, so even if DR +50% from Stone Skin results in a Unique becoming Immune to Physical this can always be broken with Decrepify or Amplify Damage.

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Normal

• No Immune monster

Nightmare

Immune

• The following becomes Immune when Mana Burn.

Location		Monster			Resist %
Act	Area	Name	Group	Type	D	M	F	L	C	P
3	Ruined Temple	Wailing Beast	Wendigo	Animal		100	50
	Disused Fane	Wailing Beast	Wendigo	Animal		100	50
	Forgotten Reliquary	Wailing Beast	Wendigo	Animal		100	50

Hell

Immune

Location		Monster			Resist %
Act	Area	Name	Group	Type	D	M	F	L	C	P
3	Ruined Temple	Wailing Beast	Wendigo	Animal	50	100	75
	Disused Fane	Wailing Beast	Wendigo	Animal	50	100	75
	Forgotten Reliquary	Wailing Beast	Wendigo	Animal	50	100	75
PE	Furnace of Pain	Pit Lord	Megademon	Demon	50	145	145	145	145	145
	Tristram	Pit Lord	Megademon	Demon	50	145	145	145	145	145

Undead

Location		Monster			Resist %
Act	Area	Name	Group	Type	D	M	F	L	C	P
2	Lost City	Plague Bearer	Zombie	Undead	50	100				75
		Dark Elder	Zombie	Undead	50	100	40	40	40	75
		Plague Bearer	Zombie	Undead	50	100				75
	Ancient Tunnels	Plague Bearer	Zombie	Undead	50	100				75
	Claw Viper Temple 1 2	Guardian	Greater Mummy	Undead	33	100	100	20	20	50
	Tal Rasha's Tomb	Unraveler	Greater Mummy	Undead	33	100	20	20	100	50
		Ancient Kaa the Soulless	Greater Mummy	Undead	33	100	20	95	100	50
3	Sewers 1 2	Unraveler	Greater Mummy	Undead	33	100	50	50	50	50
5	Pit of Acheron	Unraveler	Greater Mummy	Undead	33	100	50	25	50	50
	Halls of Pain	Guardian	Greater Mummy	Undead	33	100	50	50	25	50
	Worldstone Keep 2	Horadrim Ancient	Greater Mummy	Undead	33	100	25	50	50	50
	Throne of Destruction	Horadrim Ancient	Greater Mummy	Undead	33	100	50	50	50	50
		Achmel the Cursed	Greater Mummy	Undead	33	100	66	66	66	125
		Unraveler	Greater Mummy	Undead	33	100	66	66	66	50