Penetration and Protection reduction Items

Forum » Theory Crafting » Penetration and Protection reduction Items 6 posts - page 1 of 1

Hello, just a quick question that I could not find an answer to. I saw mention (I believe in the comments of someones god guide) that mentioned that items with Penetration and items that reduce physical Protection cancel each other out, or that you don't benefit from both? Is that right and if so does one completely negate the other? If so does the penetration negate the protection reduction or vice versa, or depends on purchase order? Or how does it work? Thanks

Posts: 3

Penetration items work based on a hierarchy.

In case you aren't familiar with it yet, there's different types of penetration.

There's armor % reduction, Armor reduction, % armor penetration and flat armor penetration.

Examples:

Armor % Reduction - The Executioner
Armor reduction - Stone Cutting Sword
% armor penetration - Titan's Bane
Armor penetration - Jotunn's Wrath

I believe the hierarchy is in the exact same order as I've listed them, meaning:

Armor % reduction > Armor reduction > % Armor penetration > Armor penetration.

This means that an item with Armor % reduction, example takes precedence over a % armor penetration item, example .

In other, simpler words:

If an enemy has 100 armor, would allow you to negate 33% of that, and would take 36% of that after 3 hits.
However, due to the hierarchy, will proc first, before . This would mean that will take 36% off of the enemy's armor, leaving, in this example case, only 64 armor left. (100 - 36% = 64, since any % of 100 is the % value)

That only leaves 64 armor for to penetrate 33% of, making less effective.

Hope this helped. The hierarchy may not be correct, I'm sure somebody else like Branmuffin17 will correct me if it is wrong.

Awards Showcase

Show more awards

Prominent (46)
Posts: 841
View My Blog

The hierarchy is correct, so is the explanation.

This case of "efficiency reduction" can only apply to % penetration items, which are and .
And it only occurs when they are combined with any protection reduction item.

However, it's worth noting that when they are combined with a flat protection reduction, like , the efficiency reduction, while still present, is not THAT big of a deal
You are only "losing" about 7 protection shred, but the final result still gives you more penetration overall.

Example vs an opponent with 100 physical protection.

alone
100 * (1 - 0.33) = 67
Final protections remaining : 67

+
100 * (1 - 0.33) = 67
67 - 20 = 47
Final protections remaining : 47

+
100 - 20 = 80
80 * (1 - 0.33) = 54 (53.6)
Final protections remaining : 54

As you can see, in that scenario, even if they both offer a kind of protection of 20, reduced the efficiency of , so the final protection is high than having .
However, picking should not be "banned" because of you already have , because, as you can see, it is still better than having alone.

Final note
While this calculation is exactly the same for magical protections (with and ), keep in mind that the majority of the mages only have 30 magical protection, without buying any defensive items.
Therefore, in that case, if you have both items, would only remove ... 3 protections.

Prominent (27)
Posts: 475

Thank you for the replies and info, I learn a little more each day, thanks!

Posts: 3

As above statements are correct, it's also important to note that some people that play will do a 'Carry' build with attack speed and crit. I've done this myself and can say it can work if done right. However, what's important to note that ' ult, STACKS with , giving up to 86% protection reduction.

Check out my Ratatoskr guide!

Awards Showcase

Show more awards

Memorable (10)
Posts: 46
View My Blog

Yes, those calculation are valid no matter what the source of penetration or protection reduction is.
Abilities and items effects combine together to get the final stats.

Therefore, as Soren mentioned, 's stacks with .
's passive, and 's stack with .
's passive, , and 's stacks with .
's , stacks with .
's passive, and 's passive stack with , which means they get reduced efficiency if you have any protection reduction.

Also, don't forget that the flat penetration stat (the last one to be applied in the calculation) has a cap to 50.

Finally, there are 2 other stats, less frequent, that are applied after the protection calculation.
These are

% damage mitigation
- Shell
-
- 's
- 's
- 's

flat damage mitigation
-

Prominent (27)
Posts: 475

Penetration and Protection reduction Items

Awards Showcase

Awards Showcase

Quick Reply

SmiteFire & Smite

Smite Gods