Thornmail is a legendary item in
League of Legends.
Recipe
Cost Analysis
Similar items
Notes
- Thorns deals
reactive damage, and thus will not trigger spell effects. - Thorns is not blocked by
spell shield. - Thorns' reflect is not a
projectile. - Thorns will trigger regardless of if the basic attack deals damage or not.
- This includes if the user mitigates all damage with a
shield or
invulnerability. - It will not trigger if the attack is
dodged,
blocked, or missed while the attacker is
blinded.
- This includes if the user mitigates all damage with a
Heals that trigger
on-hit will take place after Thorns'
Grievous Wounds has been applied.- By itself, Thornmail's Thorns reflects at least 26.25 magic damage on being hit.
Map-Specific Differences
- Armor changed to 60.
- Health changed to 300.
- Thorn base damage changed to 20.
- New Effect: If the target is afflicted with
Grievous Wounds and heals for a total amount that is over 80% of their maximum health, the strength of the healing reduction is increased to 60%.
Strategy
- is most effective against enemies that use basic attacks to deal damage and attack at a fast rate.
- It is also useful against enemies that heal through their attacks.
Old icons
Trivia
- Thornmail was the only purchasable item in the old basic tutorial.
- Pentakill's first volume, Pentakill: Smite and Ignite, named its seventh track after this item.
Media
Patch History
- 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%.
- New Recipe: + + +
450 =
2450.
- 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%.
- 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.
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%.
Grievous Wounds strength reduced to 30% from 40%.- Enhanced
Grievous Wounds strength reduced to 50% from 60%.
- New Effect: Is now called out in chat to notify when the item is purchased.
- Grievous Wounds duration increased to 3 seconds from 2.
- V10.23 - November 12th Hotfix
- Bug Fix: No longer loses the ability to apply
Grievous Wounds if its owner dies.
- Updated icon.
- New:
- Recipe: + +
1000 =
2700. - 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.
Immobilizing enemy champions also applies 60% Grievous Wounds for 2 seconds. - Limited to 1 Thornmail.
- Recipe: + +
- Old:
- Recipe: + + +
500 =
2900. - 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,
cripples source's attack speed by 15% for 1 second.
- Recipe: + + +
Grievous Wounds duration increased to 3 seconds from 1.
- Bug Fix: Now correctly applies the cripple debuff to minions and monsters attacking its owner.
- New Recipe: + + +
400 =
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 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.
- Added to the Twisted Treeline.
- Total cost increased to
2350 from
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. will not reduce the reflected damage by reducing your bonus armor but a level 5 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.
- New icon.
- Removed from the purchasable item list on Twisted Treeline.
- Damage return increased to 30% from 25%.
- Recipe cost increased to
1000 from
600. - Armor increased to 100 from 70.
- Damage return increased to 25% from 20%.
- Now reflects damage calculated before armor.
- Added back into the game.
- Removed from the game temporarily.
- May 9, 2009 Patch Reworked
- Recipe changed: Now requires .
- Armor increased armor to 70 from 50.
- Combine cost increased to
500 from
320. - Unique ability: On being hit, returns 20% of damage taken (20 damage minimum).
- Increased damage returned to 20 damage from 18.
- Increased return damage.
References
List of Items
- Starter items
- Potions and Consumables
- Trinkets
- Distributed items
- Boots
- Basic items
- Epic items
- Legendary items
- Champion exclusive items
- Minion and Turret items
- Arena Prismatic items
- Arena Anvil items
- Arena exclusive items
- Removed items




