Thornmail

## Stats

+80 armor

+250 health

## Passive

Unique – Thorns: Upon being hit by a basic attack on-hit, reflects <span style="color:**Script error: The function "keyword" does not exist.**;">25 <span style="color:**Script error: The function "keyword" does not exist.**;">(+ 10% **bonus** armor) magic damage, while also inflicting  Grievous Wounds on the attacker for 3 seconds.

Unique – Cold Steel: When hit by basic attacks,  cripples source's attack speed by 15% for 1 second.

## Menu

Defense › Armor

Defense › Health

**Thornmail** is a finished item in  League of Legends.

## Cost Analysis

**Gold Value**
* 80 armor =  **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**
* 250 health =  **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**
	+ **Total Gold Value** = **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**

Gold Efficiency*\**

* **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** is 74.71% gold efficient without its passives.

## Similar items

**Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).****Frozen Heart**
**Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).****Iceborn Gauntlet**
**Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).****Randuin's Omen**

## Notes

* The damage dealt by this item is  reactive damage.
* Damage is reflected when hit by a basic attack, regardless of whether the attack deals damage. If the attacker is  blinded, or the wearer is protected by a  shield or  invulnerability, damage will still be reflected.
* By itself, **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** reflects at least  <span style="color:**Script error: The function "keyword" does not exist.**;">33 magic damage​ on being hit.
* Healing effects triggering on a basic attack ( life steal, **Lua error in Module:ImageLink at line 148: attempt to call field 'arguments' (a nil value).** **Lua error in Module:ImageLink at line 110: attempt to call field 'arguments' (a nil value).**, **Lua error in Module:ImageLink at line 148: attempt to call field 'arguments' (a nil value).** **Lua error in Module:ImageLink at line 110: attempt to call field 'arguments' (a nil value).**, etc.) will first be reduced by  Grievous Wounds.
	+ This means that the  Grievous Wounds, applied by **Thornmail**, will be effective with the basic attack that triggers the effect.
* **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).**, **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).**, **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).**, and **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** are the only items that can reduce  attack speed.
	+ The attack speed slow on **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).**, **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** and **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** do not stack with each other, however they do  stack multiplicatively with **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** for a combined 27.75% attack speed slow.

## Strategy

* **Thornmail** is a particularly effective defensive option when facing down opponents whose damage is dealt primarily through basic attacks, or against opponents that utilize on-hit File:Heal power.png healing to survive fights (such as  life steal).
* Unlike **Lua error in Module:ImageLink at line 110: attempt to call field 'arguments' (a nil value).** and **Lua error in Module:ImageLink at line 110: attempt to call field 'arguments' (a nil value).**, **Thornmail's** magic damage does not trigger spell effects.

## Trivia

* **Thornmail** is the only purchasable item in the basic tutorial.
* Pentakill's first volume, Smite and Ignite, named its seventh track after this item.

## Patch History

V9.8
* Grievous Wounds duration increased to 3 seconds from 1.

V8.4
* Bug Fix: Now correctly applies the cripple debuff to minions and monsters attacking its owner.

V7.19
* Combine cost reduced to **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).** from **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**.
	+ Total cost unchanged.
* Armor increased to 80 from 75.

V7.14
* New Recipe: **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** + **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** + **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** + **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).** = **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**
	+ Old Recipe: **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** + **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** + **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).** = **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**
* Armor reduced to 75 from 100.
* New Effect: Grants 250 health.
* Removed Passive: Reflects 15% of the physical damage taken <span style="color:**Script error: The function "keyword" does not exist.**;">(+ 25% **bonus** armor) from basic attacks and on-hit effects back to its source as magic damage.
* New Passive – Thorns: Upon being hit by a basic attack, reflects magic damage equal to 25 <span style="color:**Script error: The function "keyword" does not exist.**;">(+ 10% **bonus** armor), inflicting  Grievous Wounds on the attacker for 1 second.
* New Passive – Cold Steel: When hit by basic attacks, reduced source's attack speed by 15% for 1 second.

V6.14
* Added to the Twisted Treeline.

V5.16
* Total cost increased to **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).** from **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**.
* Reflected damage reduced to 15% from 30%.
* New Effect: Reflected damage now deals <span style="color:**Script error: The function "keyword" does not exist.**;">(+25% bonus armor) bonus damage.
	+ The armor ratio will be affected by flat armor reductions down to 0 armor - while percent armor reductions will be ignored for the purpose of calculating bonus damage.i.e. **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).** will not reduce the reflected damage by reducing your bonus armor but a level 5 **Lua error in Module:ImageLink at line 110: attempt to call field 'arguments' (a nil value).** will reduce the reflected damage by 6.25(25% of 25).Negative armor values will be treated as 0. *Armor penetration will not affect the ratio.*

V4.20
* Item cost decreased to **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).** from **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**.
* Combine cost decreased to **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).** from **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**.

V3.10
* New icon.

V1.0.0.152
* Item cost increased to **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).** from **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**.
* Combine cost increased to **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).** from **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**.

V1.0.0.151
* Removed from the purchasable item list on Twisted Treeline.

V1.0.0.82
* Damage return increased to 30% from 25%.

V1.0.0.63
* Recipe cost increased to **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).** from **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**.
* Armor increased to 100 from 70.
* Damage return increased to 25% from 20%.

V0.9.25.24
* Now reflects damage calculated before armor.

June 26, 2009 Patch
* Added back into the game.

May 15, 2009 Patch
* Removed from the game temporarily.

May 9, 2009 Patch Reworked
* Recipe changed: Now requires **Lua error in Module:ImageLink at line 174: attempt to call field 'arguments' (a nil value).**.
* Armor increased armor to 70 from 50.
* Combine cost increased to **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).** from **Lua error in Module:ImageLink at line 377: attempt to call field 'arguments' (a nil value).**.
* Unique ability: On being hit, returns 20% of damage taken (20 damage minimum).

Alpha Week 6
* Increased damage returned to 20 damage from 18.

Alpha Week 2
* Increased return damage.

## List of Items

Starter items
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Potions and Consumables

Trinkets

Distributed

Basic items

Advanced items

Finished items

Minion and Turret items

Special Game Mode Exclusive items

Removed items

cs:Thornmail
de:Dornenpanzer
es:Cota de Espinas
fr:Cotte Épineuse
pl:Kolczasta Kolczuga
pt-br:Armadura de Espinhos
ru:Шипованный доспех
zh:荆棘之甲