| Berserker Rage|
|(Innate): For every 1% of his health missing, Olaf's attack speed increases by 1%.|
|Berserker Rage is a passive ability that grants Olaf bonus attack speed scaling to the percentage of health he is missing.|
|(Active): Olaf throws an axe to a target location, dealing physical damage to units it passes through and slowing them for 2.5 seconds. If Olaf picks up the axe, the ability's cooldown is reduced by 4.5 seconds.
Cost: 55 / 60 / 65 / 70 / 75 mana
Physical Damage: 80 / 125 / 170 / 215 / 260 (+1 per bonus attack damage)
Slow: 24 / 28 / 32 / 36 / 40 %
| Undertow is a pass-through linear skillshot that deals physical damage and slows all enemy units it hits. Additionally the axe projectile embeds itself at the target location. If Olaf moves to the axe's location, Undertow's cooldown is reduced by a flat 4.5 seconds.
| Vicious Strikes|
|(Active): For 6 seconds, Olaf's attack damage is increased and he gains life steal and spell vamp.
Cost: 40 / 45 / 50 / 55 / 60 mana
Attack Damage: 7 / 14 / 21 / 28 / 35 (+1% of his maximum health)
Lifesteal & Spell Vamp: 9 / 12 / 15 / 18 / 21 %
| Vicious Strikes is a self-targeted ability that grant Olaf bonus life steal, spell vamp, and attack damage scaling with his maximum health for a short duration.
| Reckless Swing|
|(Active): Olaf attacks with such force that it deals true damage to his target and himself.
Cost: 40 / 64 / 88 / 112 / 136 health
Cooldown: 9 / 8 / 7 / 6 / 5 seconds
True Damage to Target: 100 / 160 / 220 / 280 / 340
| Reckless Swing is a single targeted ability that deals true damage to a target enemy unit.
|(Passive): Olaf has increased armor penetration.|
Armor Penetration: 10 / 20 / 30
|(Active): Olaf instantly removes all crowd control effects from himself. He is also immune to disables (including silences and blinds) and gains bonus armor and magic resist.
Cost: 100 / 75 / 50 mana
Bonus Armor and Magic Resist: 30 / 45 / 60
Duration: 6 seconds
| Ragnarok passively provides Olaf with flat armor penetration. When activated, Ragnarok is a self-targeted ability that grants Olaf immunity to crowd control effects while removing all crowd control afflicting him upon cast. Additionally, Ragnarok increases Olaf's armor and magic resistance for the duration.