Is it possible to break monster element immunities?

puckalicious

Diabloii.Net Member
Is it possible to break monster element immunities?

Is there a certain % to reduce a monster's element resistance that would break an immunity? For instance if a monster is cold immune, would the -60% monster cold resistance from the Doom runeword be enough to start allowing cold damage to the monster? Or is something like the curse Lower Resistance required?
 

Shadow_247

Diabloii.Net Member
Monsters in hell all have different resistances. If they have over a 100% resistance to a certain element, they become immune to that element. To cause damage of that element to them, you must lower their resistance below 100%.

For example a DarkStalker in the pit has 130 cold resistance. We need at least -31% enemy cold resistance to break that reistance. In the case of doom, the monster would have their 130 cold resistance reduced to 60 cold resist. They can now be harmed by your cold damage. You must have the doom equipped to ensure their immunites do not return.

So specific to your question, unless a monster has 160 or higher cold resistance, doom will break their immunity. The only monster i remember having a cold resist so high is the hell witch, but there may be others.
 

RTB

Diabloii.Net Member
Doom can't break any immunity, only Conviction, Lower Resist, Amplify Damage and Decrepify can do that. But only at 1/5th of their usual strength.

Conviction when maxed can break immunities with about 125% resist to that element. Any higher and it stays immune.
Lower resist when maxed breaks immunities up to 115% resist.
Amp damage will lower the monster's physical resist by 20% if immune, so only a few unique monsters stay immune even when amped.
Decrepify can de-immunize monsters up to 109% physical resist, which are all the Ghosts, but more unique monsters stay immune when using Decrepify instead of Amp Dmg.

Cold Mastery and all -res% mods cannot affect immune monsters.
 

puckalicious

Diabloii.Net Member
Thanks for the great info. You say that lower resist max is 115%, but the skill charts show it is only -62% at skill level 20. What level is considered "max"? Also would a weapon with lvl 4 lower resist charges (-44%) do anything for most immunities? And does the -cold resist from Doom work only for who equips it? Or would it work for my character if his merc equips doom?
 

RTB

Diabloii.Net Member
When maxed Lower resist lowers enemy resistance by 62% and for immune monsters it's 1/5th of that: ~15%. This is why it can break elemental immunities up to 115% resist on the monster.

Slvl 4 Lower resist charges? That's rather high... IIRC up to Slvl 2 or 3 was possible with magical items. And it wouldn't do much... most immune monsters have resistances byond 100%. Monsters with up to 109% elemental resist would still be de-immunized by a Slvl 4 LR.

Doom -res (and all other -res mods) only works for the player/hireling equipped with that item. It's like Cold Mastery, as it only works for sorcs.
 
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