Elemental Penetration Support

Elemental Penetration Support supports any skill that hits enemies, making those hits penetrate enemy elemental resistances. Supports any skill that hits enemies, making those hits penetrate enemy elemental resistances. Support. Level: 1–20. Cost & Reservation Multiplier: 130%. Requires Level 31. Supported Skills Penetrate (14–28)% Elemental Resistances This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket. Name Additional Effects From Quality Weight Elemental Penetration Support Supported Skills deal (0–10)% increased Elemental Damage 50

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Elemental Penetration Support Recipe

Selling Replica Bitterdream to a vendor in exchange for the following support gems.

How does elemental penetration interact with overcapped max resistance? For example, I manage to stack a total of 95% max cold res on my character. Since there is a 90% cap on max res it will display as 90% in my character sheet and I will take damage as if I had 90%?

No. Because there is a cap on maximum cold resistance, you actually do have 90% maximum cold resistance. There is no "as if you had" involved. Your maximum cold resistance cannot be raised above 90%, so 90% is the value it actually has. You just have an additional +5% to maximum cold resistance that's doing nothing, because it can't make the value bigger.

Now I do know that if this character enters a map with -10% max res that this will be deducted from my "hidden" overcap and leave me at 85% max res instead of 80%.

No. Modifiers which subtract from maximum resistance values are not any different from those which add to them - they are in fact the same modifiers, with different (negative) values.

Just like your "total of 95%" is not a single modifier but a lot of smaller modifiers to a value, the modifier applied by the map applies to the same value. Your base maximum cold resistance is 75%. You have some number of modifiers that change this value - the one from the map is one of them. The final value of the modifier is capped.

For a specific example, say your modifiers to maximum cold resistance outside the map were +10%, +5%, and +5%. These total +20%, which is added to the base of 75%, but fails to raise it above 90%, resulting in the value being 90%. Once you enter the map, you gain a new modifier of -10% to maximum cold resistance. Your modifiers to maximum cold resistance are now +10%, +5%, +5% and -10%, which results in a total of +10%, which is applied to the base of 75% and results in a total of 85% maximum cold resistance. The 90% cap isn't doing anything any more, because you're no longer trying to raise the value above 90%.

But my question is: Does it work the same way if I fight an enemy with elemental penetration?

Elemental Penetration has no interaction at all with maximum resistance, only with resistance, which is a different value. Just like maximum resistance cannot be raised above 90%, resistance cannot be raised above maximum resistance. But Penetration only cares about resistance. It doesn't look at maximum resistance at all.

Example: I get hit by a ball from the Shaper that has 25% penetration on the skill. Do I take damage as if I had 95%-25%=70% resistance or 90%-25%=65% resistance?

You technically haven't provided enough information to answer this, because you've only told me how much maximum resistance you have, not how much resistance you have.

From the numbers you gave at the start, your maximum cold resistance, as previously noted, is 90%. This means your cold resistance cannot be higher than 90%.

Base Cold Resistance is zero. If we assume that your total modifiers to cold resistance (which includes any negative ones from Kitava or things like curses) total at least +90%, then the value of your cold resistance is 90% (because it cannot be higher).

Penetration means your resistance is treated as lower than its actual value for a specific hit. If this hit penetrates 25% cold resistance, then your cold resistance against that hit is treated as 25 lower than its actual value. Since the actual value of your cold resistance is 90%, it is treated as 65% against this hit.

And as an addon to this: Is there a hidden "max" max res - or in other words a limit of how high I can overcap?

There is no limit to the number of +max res modifiers you can get, they just stop doing anything at total +15%, because the value of maximum cold resistance cannot be raised above 90% (and the base is 75%).

Related Gems

Level Effect

Item acquisition

Elemental Penetration Support has restrictions on where or how it can drop. Elemental Penetration Support is a recipe-only gem. One of the ingredients is a Grand Heist mechanic exclusive. The alternative quality version of this gem can be acquired by using Secondary Regrading Lens on this gem. Drop level: 31.

Recipes

Elemental Penetration Support can be created from the following recipes:

Corrupted level 20 gems can be used as ingredients . Quality does not matter as the recipe always yield a level 1, 0 quality Elemental Penetration Support gem.

Related unique items

The following unique items are related to Elemental Penetration Support: