Olaf gains Attack Speed and Life Steal based on his missing Health.
QUndertow9s50/55/60/65/70
Olaf throws an axe into the ground at a target location, dealing damage to enemies it passes through and reducing their Armor and Move Speed. If Olaf picks up the axe, the ability's cooldown is reset.
WTough It Out16/15/14/13/12s50
Olaf's Attack Speed is increased and he gains a Shield.
EReckless Swing11/10/9/8/7s
Olaf attacks with such force that it deals true damage to his target and himself, refunding the Health cost if he destroys the target.
Patch history
26.13 · Jun 24, 2026
Undertow
Bonus monster damage increased to 20 to 120 from 20 to 80.
26.6 · Mar 18, 2026
Undertow
Base damage increased to 70 to 270 from 60 to 260.
Bonus monster damage increased to 20 to 80 from 10 to 70.
Total monster damage increased to 90 to 350 from 70 to 330.
Stats
Base attack speed increased to 0.72 from 0.694.
Base stats
Health645 +119/lvl
Mana316 +50/lvl
Attack Damage68 +4.7/lvl
Attack Speed0.72 +2.7/lvl
Armor35 +4.2/lvl
Magic Resist32 +2.05/lvl
Base Health Regen6.5 +0.6/lvl
Base Mana Regen7.5 +0.6/lvl
Move Speed350
Range125
Melee · Resource: Mana
RRagnarok100/90/80s100
Olaf passively gains increased armor and magic resist. He can activate this ability to become immune to disables for as long as he keeps attacking.
Undertow
Slow increased to 30 to 50% from 25 to 45%.
Slow duration changed to 1 to 3 seconds from 1.5 to 2.5.
Bug Fix: Enemies only struck by the Lollipop at the end of the Q are now slowed for the proper amount of time (was a fixed 30% slow).
Tough It Out
Bug Fix: If you cast W while the previous cast was still active, it now properly re-applies its effects rather than just refreshing the prior cast (you get the attack reset and the AS value is updated).
Reckless Swing
Health cost increased to 40% of damage from 30%.
Base health cost increased to 28 to 100 from 21 to 75.
Health cost AD ratio increased to 20% AD from 15% AD.
25.15 · Jul 30, 2025
Ragnarok
Bug Fix: Now properly is affected by the displacement of Blast Cone that he himself triggers.
25.7
Reckless Swing
Cast time reduced to 0.25 to 0.18 seconds from 0.25.
14.9
Undertow
Base damage reduced to 60 to 260 from 65 to 265.
Bonus monster damage increased to 10 to 70 from 5 to 45.
Ragnarok
Bonus resistances reduced to 10 to 20 from 10 to 30.
35 older patches
14.8
Undertow
Bonus monster damage increased to 5 to 45 from 5 to 25.
14.7
Undertow
New Effect: Now deals 5 to 25bonus physical damage against monsters.
Tough It Out
Attack speed duration increased to 5 seconds from 4.
Mana cost increased to 50 from 30.
Reckless Swing
New Effect: Cooldown reduction against monsters is now doubled to 2 seconds.
Ragnarok
Mana cost increased to 100 from 0.
13.18
General
Updated ability icons.
13.7
Berserker Rage
Maximum bonus attack speed reduced to 50+(50/17)*(x-1)*(0.7025+0.0175*(x-1)) from 60+(40/17)*(x-1)*(0.7025+0.0175*(x-1)).
Undertow
Base damage reduced to 65 to 265 from 70 to 270.
12.16
Ragnarok
New Effect: Now properly displays the CC Immune state on the health bar interface while active.
12.13
Stats
Base health regeneration reduced to 6.5 from 8.5.
Health regeneration growth reduced 0.6 to 0.9.
Berserker Rage
Maximum bonus attack speed increased to 60+(40/17)*(x-1)*(0.7025+0.0175*(x-1)) from 40+(60/17)*(x-1)*(0.7025+0.0175*(x-1)).
Undertow
Mana cost increased to 50 to 70 from 40 to 60.
Tooltip now clarifies the cooldown refund mechanic better.
12.12
Tough It Out
Bug Fix: Now refreshes a stack of Hail of Blades for being an attack time resetting cast.
Reckless Swing
Bug Fix: Can no longer heal other units instead of himself if they gain the kill credit on the target of Reckless Swing after it dealt damage without killing it.
Ragnarok
Bug Fix: No longer prevents a Blast Cone triggered by an ally from knocking him back.
12.11
Undertow
Armor reduction reduced to 20% at all ranks from 20 to 30%.
Tough It Out
Shield health ratio reduced to 17.5% missing health from 22.5%.
Berserker Rage
Maximum health threshold reduced to 70% missing health from 77.5%.
Maximum life steal reduced to 8+(17/17)*(x-1)*(0.7025+0.0175*(x-1)) from 10+(20/17)*(x-1)*(0.7025+0.0175*(x-1)).
Undertow
Base damage increased to 70 to 270 from 60 to 260.
12.10
Stats
Base health increased to 645 from 575.
Health growth increased to 119 from 105.
Armor growth increased to 4.2 from 3.
Magic resistance growth increased to 2.05 from 1.25.
Berserker Rage
Maximum health threshold increased to 77.5% missing health from 70%.
Tough It Out
Base shield reduced to 10 to 130 from 10 to 150.
Shield health ratio reduced to 22.5% missing health from 25%.
12.9
Stats
Attack damage growth increased to 4.7 from 3.5.
Health growth increased to 105 from 100.
Mana growth increased to 50 from 42.
Berserker Rage
New Innate:Olaf gains bonus attack speed and life steal based on his missing health. At 70% missing health, he gains a maximum of 40+(60/17)*(x-1)*(0.7025+0.0175*(x-1))bonus attack speed}} and 10+(20/17)*(x-1)*(0.7025+0.0175*(x-1)) life steal.
Old Innate:Olaf gains 0% to 100%bonus
12.4
Ragnarok
Undocumented: Now displays the Unstoppable state on the health bar interface while active.
11.24
Berserker Rage
Bonus attack speed increased to 0% to 100% from 0% to 75%.
11.23
Ragnarok
Undocumented: No longer displays the Unstoppable state on the health bar interface while active.
11.14
Ragnarok
Undocumented/Bug fix: Can once again remove the grounded and silence debuffs from the Miasma, Mega Adhesive and Equinox fields.
11.13
Stats
Health growth increased to 100 from 93.
Base mana regeneration increased to 7.5 from 7.47.
Mana regeneration growth increased to 0.6 from 0.58.
11.3
Stats
Base health reduced to 575 from 597.
Berserker Rage
Bonus attack speed reduced to 0% to 75% from 0% to 100%.
New Effect: The amount of attack speed being granted is now displayed on his passive icon.
11.2
Vicious Strikes
Life steal increased to 16 to 24% from 14 to 22%.
Healing amplification reduced to 0% to 33% from 0% to 50%.
11.1
Stats
Base magic resistance reduced to 32 from 32.1.
Base health reduced to 597 from 597.24.
10.25
Undertow
Slow reduced to 25 to 45% from 29 to 45%.
Vicious Strikes
Bonus attack speed reduced to 50 to 90% from 55 to 95%.
10.23
Stats
Base mana regeneration reduced to 7.465 from 7.466.
Cooldown increased to 16 to 12 seconds from 16 to 10.
Ragnarok
Bonus resistances reduced to 10 to 30 from 10 to 40.
attack speed
.
Undertow
New Effect: Now reduces the armor of enemy champions hit by 20 to 30% for 4 seconds.
New Effect: Picking up the axe now sets Undertow'scurrent cooldown to 3 seconds if it is not already below that amount. This is affected by ability haste.
Removed: No longer reduces Undertow's cooldown by 4.5 seconds when picking up the axe.
Base damage reduced to 60 to 260 from 80 to 260.
Minimum cast range increased to 425 units from 300.
Mana cost reduced to 40 to 60 from 60 at all ranks.
Cooldown increased to 9 seconds from 7.
Now grants ghosting more consistently to jungle monsters that are hit or are nearby when cast.
Tough It Out
Renamed to Tough It Out from Vicious Strikes.
New Effect: Now grants a 10 to 150(+ 25% missing health) shield for 2.5 seconds, health ratio capped at 70% of his missing health.
New Effect: Gaining the attack speed buff now resetsOlaf's basic attack timer.
Removed: No longer grants 16 to 24% life steal.
Removed: Healing is no longer increased by 0% to 33%.
Bonus attack speed reduced to 40 to 80% from 50 to 90%.
Bonus attack speed duration reduced to 4 seconds from 6.
Cooldown reduced to 16 to 10 seconds from 16 at all ranks.
Ragnarok
Duration reduced to 3 seconds from 6.
Bonus resistances reduced to 10 to 40 from 20 to 40.
Base bonus attack damage changed to 10 to 30 from 15 to 25.
AD ratio reduced to 25% AD from 30% AD.
New Effect: Duration is now increased by and up to 2.5 seconds for each basic attack on-hit or Reckless Swing cast against an enemy champion.
Removed: Bonus resistances are no longer lost upon cast.
Undocumented: No longer displays the Unstoppable state on the health bar interface while active.
