Is Lightning Coil OP?

I'm confused on if Lightning coil is completely OP. It certainly shows up as one of the top 3 used items in hardcore.

The reason for this is because Physical damage pretty much naturally pierces armor, when taking a ridiculously big hit.

So 8k physical damage is going to pretty much kill you, despite your armor, if say you have 6k life, and 10k armor, you'd be left with a 7k hit, and you indeed might die... but with lightning coil 40% of that goes to lightning damage which you're going to reduce by 75%, or 4800 + 800 = 5600 damage taken.

So, to live to that 8k hit with armor, you'd need closer to 30k armor, which is not a small amount...

Meanwhile, armor suggests as if it reduces a percent of physical damage, that isn't really the true story...

Am I wrong?


Certainly being one of the top 3 used items in the hardcore league (Beyond) seems to tell a story...



The part where I get confused is that lightning damage can shock you, which can cause you take 50% more damage from all sources. So if you get unlucky to be shocked from hit A, and then take the big 8k hit B, well, ouch...
Last edited by DragonsProphecy#4593 on Oct 1, 2014, 4:29:29 PM
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Gregoriel wrote:
I'm confused on if Lightning coil is completely OP. It certainly shows up as one of the top 3 used items in hardcore.

The reason for this is because Physical damage pretty much naturally pierces armor, when taking a ridiculously big hit.

So 8k physical damage is going to pretty much kill you, despite your armor, if say you have 6k life, and 10k armor, you'd be left with a 7k hit, and you indeed might die... but with lightning coil 40% of that goes to lightning damage which you're going to reduce by 75%, or 4800 + 800 = 5600 damage taken.

So, to live to that 8k hit with armor, you'd need closer to 30k armor, which is not a small amount...

Meanwhile, armor suggests as if it reduces a percent of physical damage, that isn't really the true story...

Am I wrong?


Certainly being one of the top 3 used items in the hardcore league (Beyond) seems to tell a story...



The part where I get confused is that lightning damage can shock you, which can cause you take 50% more damage from all sources. So if you get unlucky to be shocked from hit A, and then take the big 8k hit B, well, ouch...


That's why they use Lightning Flasks, which drastically counteract lightning damage. Some builds that use LC have capped lightning resistance, so it's a full 40% reduction to physical damage and lightning damage does absolutely nothing.

Lightning Coil is the single best item to increase survivability.
TBH i just had one drop and i'm not even sure if it's as good as people make it out to be...sure if you have the right build and a massive over cap in lightning resistance but meh...it'll probably sit in my inventory and gather dust just like my legacy face breakers...op or not
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destrock wrote:
Mhhhh I have a question because I never bought a single lightning coil in my life lol (yes I'm that noob HAHAH)

What is the best :

1. lightning coil 75% light res and a topaz flask to tank the big blue mob and bosses

2. a "normal chest" (well I mean with decent armor like say a daresso's defiance) with a granite or jade flask with 90-100% armor or evasion increased to tank the big blue mob and bosses

So whats the best ? are they pretty much equal ?


Lightning Coil, assuming you have regular lightning resistance, will mitigate 75% of 40% of a physical hit. A total mitigation of 30%. With 100% lightning resistance, it mitigates 40% of all physical damage. It requires a lot of lightning resistance, at least one Topaz Flask, and limits you to red and green sockets, generally.

Something like Daresso's Defiance mitigates nothing, but gives you a slightly better chance to avoid hits. Something more beneficial than DD is Cloak of Defiance, as it is technically a 40% mitigation by applying damage to mana before life. No this doesn't actually mitigate the damage, but we're talking about damage to your life. It also requires a mana intensive build, but that isn't hard to do.

A better option is Incandescent Heart, which mitigates all elemental damage by 25% if you use Chaos Inoculation. Physical damage is basically nothing due to CWDT, so only elemental damage is a threat. CWDT level 1 + IC + Inc. Dur. + CWS, Incandescent Heart, and CI makes you a very durable character.
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destrock wrote:
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Something like Daresso's Defiance mitigates nothing


I verified on my duellist crit, I have those items :
with iron reflexes and grace. My daressos defiance give me only 3% reduction as base compared to the lightning coil and I gain 20% reduction when I pop my flask so yeah, lightning coil op lol. Buying a lightning ring implicit/explicit is not that hard...

edit : lightning coil + a topaz flask is 34% reduction, without the flask it is 30%. If you take that 30% plus the flask I have, 20%, it is 50% total...


Yes, but that 3% becomes less and less useful the bigger the physical hit is.

You should note that it says "estimated physical damage reduction".

Lightning Coil is not bound by estimation. It gives a flat reduction based on your lightning resistance. This is one reason I'll never use Lightning Coil alone. Endurance Charges each give a flat 4% physical damage reduction. It is possible to get ten of them, if you build around it, and get 40% reduction while getting 40% to elemental resistances.
When using lightning coil you should also pay attention to monsters using curses. Being cursed with conductivity/elemental weakness can end pretty badly.
Yes its OP.
Lightning Coil + Acrobatics/Phase/Ondars and you got a pretty nice defense with low investment.
To be honest I don't give a damn about this armour. Sure it's nice to deal vs physical damage, but all my recent deaths (+3 months) were not related to physical damage (not even a single one).
It's about OP spells (flameblast exiles, Atziri spells, etc.) which bring people down..
Personally I prefer a good +100% all res (instead of -60%) chest so I can focus on damage mods on ring etc.

not sure if op but homogenizes the game a lot
studying for GGG's C++ technical exam...
No, Lightning Coil is not "OP". When you build it properly, you take 30-40% less physical damage. Standing around taking less damage doesn't "overpower" your foes, it just enables you to survive more abuse. LC also comes with a severe drawback and does nothing to protect you from elemental damage. Before complaining about a thing that works well at a reasonable cost, you might consider all the truly grotesque pay2win items in the game.

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