Amumu

P / Berserker Rage

Olaf gains Attack Speed and Life Steal based on his missing Health.

Q / Undertow

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.

W / Tough It Out

Olaf's Attack Speed is increased and he gains a Shield.

E / Reckless Swing

Olaf attacks with such force that it deals true damage to his target and himself, refunding the Health cost if he destroys the target.

R / Ragnarok

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.

Riot's tips against Olaf

• Olaf becomes more dangerous the lower life he is. Save your disables to finish him off.
• Preventing Olaf from reaching his axe will minimize the amount of harassment he can cause in the laning phase.
• Olaf has reduced defenses from damage during Ragnarok, despite being immune to disables. If you can't escape from Olaf during Ragnarok, try focusing your damage on him with your teammates.