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


Thornmail item
Gold 2900 (Gold 500)
Bramble Vest item
Gold 1000 (Gold 400)
Warden's Mail item
Gold 1000 (Gold 400)

Cost Analysis

Gold Value
  • 80 armor =  Gold 1600
  • 250 health =  Gold 666.67
    • Total Gold Value = Gold 2266.67

Gold Efficiency*

  • Thornmail item Thornmail is 74.71% gold efficient without its passives.

Similar items


Thornmail screenshot

Item VFX


  • 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 Heal power healing to survive fights (such as Life steal icon life steal).
  • Unlike Molten Shield Molten Shield and Defensive Ball Curl Defensive Ball Curl, Thornmail's magic damage does not trigger spell effects.

Old Icon


Noxus Crest icon

Patch History

  • Bug Fix: Now correctly applies the cripple debuff to minions and monsters attacking its owner.
  • Combine cost reduced to Gold 500 from Gold 600.
    • Total cost unchanged.
  • Armor increased to 80 from 75.
  • New Recipe: Bramble Vest item Bramble Vest + Ruby Crystal item Ruby Crystal + Warden's Mail item Warden's Mail + Gold 400 = Gold 2900
  • 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 icon 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.
  • Total cost increased to Gold 2350 from Gold 2100.
  • 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 flat armor reductions down to 0 armor - while percent armor reductions will be ignored for the purpose of calculating bonus damage.i.e. Black Cleaver item The Black Cleaver will not reduce the reflected damage by reducing your bonus armor but a level 5 Frenzying Taunt Puncturing Taunt 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.
  • Item cost decreased to Gold 2100 from Gold 2200.
  • Combine cost decreased to Gold 1050 from Gold 1180.
  • New icon.
  • Item cost increased to Gold 2200 from Gold 2000.
  • Combine cost increased to Gold 1180 from Gold 1000.
  • Removed from the purchasable item list on Twisted Treeline.
  • Damage return increased to 30% from 25%.
  • Recipe cost increased to Gold 1000 from Gold 600.
  • Armor increased to 100 from 70.
  • Damage return increased to 25% from 20%.
  • 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 Cloth Armor item Cloth Armor.
  • Armor increased armor to 70 from 50.
  • Combine cost increased to Gold 500 from Gold 320.
  • 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.


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