When Irelia strikes enemies with spells she gains stacking bonus Attack Speed. At maximum stacks she also gains bonus damage on hit.
QBladesurge10/9/8/7/6s15
Irelia dashes forward to strike her target, healing herself. If the target is Marked or dies to Bladesurge, its cooldown refreshes.
WDefiant Dance20/18/16/14/12s70/75/80/85/90
Irelia charges a strike that deals more damage as she charges. She takes reduced physical damage during the charge.
EFlawless Duet16/14.5/13/11.5/10s50
Irelia sends out two blades which converge on each other. Enemies caught in between are damaged, stunned and Marked.
RVanguard's Edge125/105/85s100
Irelia fires a massive number of blades that explode outward upon hitting an enemy champion. Enemies hit by the blades are damaged and Marked. Afterwards the blades form a wall that will damage and slow enemies that walk through it.
Attack speed per stack increased to 10% to 25% from 7.5% to 25%.Buff
Maximum attack speed increased to 40% to 100% from 30% to 100%.Buff
Bug Fix: Granted attack speed now updates on level-up.Buff
25.10· May 14, 2025Buffed
Defiant Dance
New Effect: Now entirely pauses the duration of Ionian Fervor while charging, instead of refreshing its duration every 0.25 seconds upon Ionian Fervor reaching the last 0.5 seconds of its duration.Buff
New Effect: After finishing the charge, now increases the remaining duration of Ionian Fervor to 1 second if it was below 1 second upon starting the charge.Buff
Bug Fix: Now correctly resets the duration of Ionian Fervor if the former hits an enemy very close to the latter's expiration.Buff
35 older patches
14.22
Ionian Fervor
New Effect: Damage now applies against structures at 50% damage.
New Effect: Duration is now refreshed against structures.
14.21
Bladesurge
Cooldown reduced to 10 to 6 seconds from 11 to 7.
Mana cost reduced to 15 from 20.
AD ratio increased to 70% AD from 60% AD.
Bonus minion damage reduced to 50 to 237 from 55 to 259.
Vanguard's Edge
Removed: No longer reduces Bladesurge cooldown by 0.5 to 1.5 seconds.
14.15
Stats
Base health increased to 630 from 590.
Base health regeneration reduced to 6 from 8.5.
14.14
Stats
Attack damage growth reduced to 3.5 from 4.
Ionian Fervor
Attack speed per stack changed to 7.5% to 25% from 7.5% to 20%. Now scales with every level.
Maximum attack speed changed to 30% to 100% from 30% to 80%.
Vanguard's Edge
Bladesurge cooldown reduction reduced to 0.5 to 1.5 seconds from 0.5 to 2.5.
Bug Fix: VFX of the blades now shifts color at maximum stacks.
14.2
Bladesurge
Bug Fix: Dash now properly resets if cast at max range and the target dies right before she arrives.
Undocumented: Check rate for the reset to have been successful quadrupled to once every 0.0625 seconds from once every 0.25 seconds (resultingly every 2 game ticks instead of every 8 game ticks).
13.18
Vanguard's Edge
Cooldown reduced to 125 to 85 seconds from 140 to 100.
12.16
Stats
Armor growth increased to 4.7 from 4.2.
Base magic resistance increased to 30 from 28.
12.14
General
Bug Fix: Knocked up/stunned animation is now correctly played.
12.11
Bladesurge
Heal increased to 9 to 13% AD from 7 to 11% AD.
Flawless Duet
Cooldown reduced to 16 to 12 seconds from 18 to 12.
12.10
Stats
Base health increased to 590 from 520.
Health growth increased to 124 from 110.
Armor growth increased to 4.2 from 3.
Magic resistance growth increased to 2.05 from 1.25.
Bladesurge
Heal reduced to 7 to 11% AD from 8 to 16% AD.
12.9
Ionian Fervor
Bug Fix: No longer only grants stacks for champions hit when hitting champions and minions & monsters simultaneously.
11.20
Ionian Fervor
Bonus AD ratio reduced to 20% bonus AD from 30%.
11.19
Ionian Fervor
Bug Fix: Blades VFX now properly changes color while at 4 stacks.
Bladesurge
Bug Fix: No longer occasionally hits its target twice (thereby dealing its damage twice).
1 This bug could still be reproduced in this patch and future ones. The bugfix did not prevent it from occuring completely.
11.17
Bladesurge
Heal AD ratio reduced to 8 to 16% AD from 12 to 20% AD.
11.15
Defiant Dance
Minimum AD ratio reduced to 40% AD from 50% AD.
Maximum AD ratio reduced to 120% AD from 150% AD.
Base physical damage reduction reduced to 40% to 70% from 40% to 80%.
Base magic damage reduction reduced to 20% to 35% from 20% to 40%.
11.14
Stats
Base health reduced to 520 from 580.
Health growth increased to 110 from 95.
Base magic resistance reduced to 28 from 32.
Ionian Fervor
Maximum stacks reduced to 4 from 5.
Bonus attack speed per stack changed to 7.5% to 20% from 8% to 16%.
Maximum bonus attack speed reduced to 30% to 80% from 40% to 80%.
Base damage reduced to 10 to 61 from 15 to 66.
Bonus AD ratio increased to 30% bonus
10.25
Stats
Base attack damage increased to 65 from 63.
Bladesurge
Cooldown reduced to 11 to 7 seconds from 12 to 8.
10.23
Stats
Mana growth increased to 50 from 30.
10.19
Vanguard's Edge
Barrage base damage increased to 125 to 375 from 125 to 325.
Perimeter base damage increased to 125 to 375 from 125 to 275.
10.15
Ionian Fervor
Bonus attack speed per stack increased to 8% to 16% from 8% to 12%.
10.10
Flawless Duet
Base damage increased to 80 to 260 from 70 to 230.
9.15
Flawless Duet
Bug Fix: Fixed a bug where it would target incorrect positions in Howling Abyss and Summoner Rift's river.
9.12
Flawless Duet
Cooldown increased to 18 to 12 seconds from 14 to 10.
Bug Fix: Fixed a bug where her moving blades did not play sounds during her Golden Chroma respawn animation.
9.3
Stats
Health growth increased to 95 from 85.
Base armor increased to 36 from 34.
Ionian Fervor
New Effect:Irelia gains 1 Ionian Fervor stack for every enemy champion hit by her abilities, or if she hits at least one non-champion, stacking up to 5 times. Ionian Fervor lasts for 6 seconds, with basic attacks against champions and large and epic monsters refreshing the duration. Irelia gains 8% to 12%bonus attack speed per stack, up to 40% to 60%. At maximum stacks, Irelia's basic attacks deal 15 to 66(+ 25% bonus AD)bonus magic damage on-hit.
Old Effect:Irelia
9.2
Ionian Fervor
Removed: At 4 stacks, no longer deals 200% bonus damage to shields.
Bladesurge
Removed: No longer deals double damage to minions.
New Effect: Deals 45 to 105bonus damage to minions.
Vanguard's Edge
Wall duration reduced to 2.5 seconds at all ranks from 2.5 to 3.5.
Removed: No longer disarms enemies passing through the wall for 1.5 seconds.
Slow increased to 90% from 60%.
8.24
Defiant Dance
Cooldown increased to 20 seconds from 16.
Base damage reduction reduced to 40% from 50%.
Removed: No longer grants 1 additional stack of Ionian Fervor.
Vanguard's Edge
Bug Fix: Corrected interaction when casting Flash mid-cast. Skillshot now fires in target direction.
8.21
Stats
Base movement speed reduced to 335 from 340.
8.17
Bladesurge
Minion increased damage increased to 100% from 70%.
8.15
Stats
Base attack damage increased to 63 from 60.
Base health increased to 580 from 550.
Ionian Fervor
Base damage per stack increased to 4;4.8;5.5;6.3;7.1;7.8;8.6;9.4;10.1;10.9;11.6;12.4;13.2;13.9;14.7;15.5;16.2;17 from 1;1.6;2.3;2.9;3.6;4.2;4.9;5.5;6.2;6.8;7.5;8.1;8.8;9.4;10.1;10.7;11.4;12.
Bladesurge
Target range reduced to 600 from 625.
Base damage reduced to 5 from 10.
AD ratio reduced to 60% AD from 70% AD.
Defiant Dance
8.13
Ionian Fervor
Base on-hit damage per stack reduced to 1;1.6;2.3;2.9;3.6;4.2;4.9;5.5;6.2;6.8;7.5;8.1;8.8;9.4;10.1;10.7;11.4;12 from 2.5;3.5;4.5;5.5;6.5;7.5;8.5;9.5;10.5;11.5;12.5;13.5;14.5;15.5;16.5.
On-hit AD ratio per stack changed to 4% bonus AD from 2%;3%;4% AD.
Bonus attack speed increased to 30%;40%;50% from 20%;30%;40%.
Defiant Dance
Minimum base damage reduced to 10 from 10.
Minimum AD ratio reduced to 50% AD from 60% AD.
Maximum base damage reduced to
8.9
Ionian Fervor
New Effect: Duration now also refreshes when attacking large monsters.
8.8
Stats
Base armor increased to 34 from 31.
Bladesurge
Bonus damage to minions increased to 70% from 60%.
Flawless Duet
Bug Fix: No longer credits her for several minion kills with each cast.
Vanguard's Edge
Cooldown increased to 140 seconds from 120.
Missile base damage reduced to 125 from 150.
Wall base damage reduced to 75 from 125.
AD
from
25%
.
Secondary resource bar (count of passive stacks) is now also visible to enemy players.
Bladesurge
Base dash speed reduced to 1400 from 1500.
Bonus minion damage changed to 55 to 259 from 55 to 135.
Defiant Dance
Base physical damage reduction changed to 40% to 80% from 50% at all levels.
New Effect: Now reduces magic damage by 20% to 40%(+ 3.5% per 100 AP).
Maximum base damage increased to 30 to 210 from 20 to 140.
Maximum AD ratio increased to 150% AD from 100% AD.
Maximum damage AP ratio increased to 120% AP from 80% AP.
Flawless Duet
Missile travel time changed to 0.25 at all distances from 0 to 0.39 (based on distance).
Removed: Can no longer be recast during cast-inhibiting crowd control.
Vanguard's Edge
New Effect: Now passively reduces Bladesurge cooldown by 0.5 to 2.5 seconds.
This takes effect before ability haste.
gains 1
Ionian Fervor
stack for every enemy champion hit by her abilities, or if she hits at least one non-champion, stacking up to 4 times.
Ionian Fervor
lasts for 6 seconds, with basic attacks against champions and large and epic monsters refreshing the duration.
Irelia's
basic attacks deal
4 to 17
(+ 4% bonus AD)
bonus
magic damage per stack, up to
16 to 68
(+ 16% bonus AD)
. At maximum stacks,
Irelia
gains
30;40;50
bonus
attack speed.
Bladesurge
Minion bonus damage increased to 55 to 135 from 45 to 105.
Defiant Dance
Base damage reduction increased to 50% from 40%.
New Effect: Damage reduction now only applies to physical damage.
Flawless Duet
Hitbox visuals are now easier to see.
Base wall damage increased to
125 to 275
from
75 to 175
.
Undocumented: Wall VFX no longer changes depending on whether Ionian Fervor is fully stacked or not.
Base damage reduction changed to 50% at all ranks from 45%.
Flawless Duet
Target range reduced to 850 from 900.
Base damage reduced to 70 from 80.
Removed: No longer deals 50% reduced damage against monsters.