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Thornmail League of Legends ItemPC

Thornmail

League of Legends (PC) Thornmail in Wild Rift

Thornmail Current Status

Thornmail has been changed in 17 League of Legends patches. 6 buffs, 1 nerf, 9 adjustments. Most recently adjusted in Patch 25.5 ().

Cost: 2450g
Armor: 75
Health: 150
Recipe:
UNIQUE Passive - Thorns: When struck by a basic attack on-hit, deal 20 (+ 10% bonus armor) magic damage to the attacker and, if they are a champion, inflict them with Grievous Wounds for 3 seconds.

Thornmail Changes

Patch 25.5

change

General

  • Bug Fix: Corrected a tooltip issue.

Patch 14.21

change

General

  • Bug Fix: Thorns' tracker now displays the proper post-mitigation damage values instead of pre-mitigation ones.

Patch 14.20

change

Thornmail also ended up being one of the big winners of the patch and is currently the most-built armor item in the game. There are other extremely good and underrated armor items, but most players haven’t come to realize how good Unending Despair is, yet…

General

  • Armor reduced to 75 from 80.
  • Thorns base damage increased to 20 from 15.
  • Thorns bonus armor ratio reduced to 10% bonus armor from 15%.

Patch 14.19

change

General

  • New Recipe: Bramble Vest + Chain Vest + Ruby Crystal + 450 gold = 2450 gold.
  • Old Recipe: Bramble Vest + Giant's Belt + 1000 gold = 2700 gold.
  • Health reduced to 150 from 350.
  • Armor increased to 80 from 70.
  • Thorns base damage increased to 15 from 10.
  • Thorns armor ratio reduced to 15% bonus armor from 25%.

Patch 13.1b

buff

General

  • Undocumented: Armor increased to 70 from 60.
  • Thorns armor ratio increased to 25% bonus armor from 20%.
  • Grievous Wounds strength increased to 40% from 25%.
  • Removed: Immobilizing effects on enemy champions no longer inflict them with Grievous Wounds for 3 seconds.

Patch 12.11

change

General

  • Grievous Wounds strength reduced to 25% from 30%.
  • Enhanced Grievous Wounds strength reduced to 40% from 50%.
  • Thorns armor ratio increased to 20% bonus armor from 10%.

Patch 12.10

nerf

General

  • Grievous Wounds strength reduced to 30% from 40%.
  • Enhanced Grievous Wounds strength reduced to 50% from 60%.

Patch 11.8

buff

General

  • New Effect: Is now called out in chat to notify when the item is purchased.

Patch 11.1

buff

General

  • Grievous Wounds duration increased to 3 seconds from 2.

Patch 10.23

change

Damage reduced and now applies improved Grievous Wounds upon immobilizing an enemy.

General

  • Bug Fix: No longer loses the ability to apply Grievous Wounds if its owner dies.

General

  • Updated icon.

New

  • Recipe: Bramble Vest + Giant's Belt + 1000 gold = 2700 gold.
  • Stats: 60 armor, 350 health.
  • Unique Passive - Thorns: When struck by an attack, deal 10 (+ 10% bonus armor) magic damage to the attacker and inflict them with 40% Grievous Wounds for 2 seconds if they are a champion. Immobilize enemy champions also applies 60% Grievous Wounds for 2 seconds.
  • Limited to 1 Thornmail.

Old

  • Recipe: Bramble Vest + Ruby Crystal + Warden's Mail + 500 gold = 2900 gold.
  • Stats: 80 armor, 250 health.
  • Unique Passive - Thorns: Upon being hit by a basic attack on-hit, reflects 25 (+ 10% bonus armor) magic damage, while also inflicting Grievous Wounds on the attacker for 3 seconds.
  • Unique Passive - Cold Steel: When hit by basic attacks, cripple source's attack speed by 15% for 1 second.

Patch 9.8

buff

General

  • Grievous Wounds duration increased to 3 seconds from 1.

Patch 8.4

change

General

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

Patch 7.19

buff

General

  • Combine cost reduced to 500 gold from 600 gold.
  • Total cost unchanged.
  • Armor increased to 80 from 75.

Patch 7.14

change

General

  • New Recipe: Bramble Vest + Ruby Crystal + Warden's Mail + 400 gold = 2900 gold
  • Old Recipe: Cloth Armor + Chain Vest + 1250 gold = 2350 gold
  • Armor reduced to 75 from 100.
  • New Effect: Grants 250 health.
  • Removed Passive: Reflects 15% of the physical damage taken (+ 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 (+ 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.

Patch 5.16

change

General

  • Total cost increased to 2300 gold from 2100 gold.
  • Reflected damage reduced to 15% from 30%.
  • New Effect: Reflected damage now deals (+25% bonus armor) bonus damage.
  • The armor ratio will be affected by armor reductions down to 0 armor - i.e. The Black Cleaver will reduce the reflected damage by reducing your bonus armor. Negative armor values will be treated as 0. Armor penetration will not affect the ratio.

Patch 4.20

buff

General

  • Recipe cost reduced to 1050g from 1180g.
  • Total cost reduced to 2100g from 2200g.

Patch 0.9.25.24

new

Thornmail added to League of Legends

General

  • Now reflects damage calculated before armor.

Related League of Legends Items

Thornmail League of Legends FAQ

Frequently Asked Questions
When was Thornmail last changed in League of Legends?
Thornmail was last adjusted in League of Legends Patch 25.5, released March 4, 2025.
How many times has Thornmail been buffed or nerfed in LoL?
Thornmail has been changed in 17 League of Legends patches: 6 buffs, 1 nerf, 9 adjustments.
Was Thornmail changed in LoL Patch 26.14?
No - Thornmail was not changed in Patch 26.14. Its most recent change was in Patch 25.5.
When was Thornmail added to League of Legends?
Thornmail was added to League of Legends in Patch 0.9.25.24 on October 1, 2009.