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- Playing As Olaf
- Olaf can combine Berserker Rage, Vicious Strikes and Ragnarok at low life to become deceptively strong.
- The bonus healing granted by Vicious Strikes amplifies your life steal form all sources as well as heals from allies.
- Playing 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.
- Ability Usage
- Because of Berserker Rage's effect and Undertow, Olaf is one of the fastest junglers in League. Undertow allows him to gank effectively, and the combination of Vicious Strikes and Berserker Rage let him both sustain his health throughout the early game and effectively take on and defeat most other junglers.
- Undertow is a versatile ability and offers many different utilities to Olaf:
- It is a very useful ability for chasing because of its own cooldown reduction (if you can pick it up while chasing). Throwing your axe where you are likely to chase your opponent lets you refresh its cooldown much quicker and increases its slow uptime.
- It is an effective harassment ability. While many skillshots are consumed upon hitting the first target, or will lose effectiveness as they do, Undertow will travel straight through all enemies it hits for full damage. At early levels, however, recklessly spamming it will swiftly leave Olaf without mana.
- It will remove the fog of war in a large area around where it is thrown for a very brief duration, making it useful for checking bushes.
- Although Olaf's sustained damage output isn't very powerful during early game, his burst is surprisingly strong as his Reckless Swing deals a significant amount of true damage which cannot be mitigated by any means. With a few ranks invested in the ability it can devastate the health of most squishier champions during mid-game.
- If you have not invested in significant HP or health sustain as you level it, it can also fairly quickly devastate the health of Olaf himself if you are not careful with its usage. With this in mind, it can often be unwise to abuse this during a duel, as Olaf may potentially wind up helping to kill himself.
- Olaf can combine Berserker Rage, Vicious Strikes, and Ragnarok at low life to become deceptively tanky. This makes him a great duelist, as he can take on most champions even at low health. When combined with items and spells such as and , he can become formidably hard to kill.
- In lane Reckless Swing has a higher range than Olaf's basic attack range, this allows you to poke with it.
- Ragnarok provides complete immunity to all forms of CC, and largely defines Olaf's playstyle during the later stages of the game. It can be used either to initiate a battle, to improve his fighting ability midway through one, or to make an emergency retreat if the situation starts to become disadvantageous.
- Olaf's most common and effective role during late-game teamfights is to function as a bulky assassin. Upon the commencing of a pitched teamfight, Olaf can activate Ragnarok and dive straight through the frontline of the enemy team, singling out the opposing AD carry. Because of the complete CC immunity that Ragnarok affords him, he becomes extremely difficult for the opposing team to peel away. Even if Olaf is unsuccessful in slaying his target, the threat he poses is often enough to drive them completely out of the teamfight in their attempts to avoid him, drastically reducing the enemy's team's damage output.
- Olaf is also a very useful peeler himself, operating to safeguard his own carry from the opposing team. His ability to chain-slow enemies with Undertow and the excellent damage output from Reckless Swing can make it extremely difficult for enemy champions to safely attack the carry without risking being kited and killed.
- Mastery Usage
- Item Usage
- Olaf naturally receives armor and magic resistance from the passive effect of Ragnarok. Because of this, it takes more effort to kill him, therefore stacking health on him is a very common build path.
- Consider health item is desired. is one of the most useful items for Olaf, as in addition to the large amount of health it has, it slows any opponents he autoattacks, giving him a much more reliable form of crowd control than his Undertow. However, if the player is confident with their ability to consistently land axes on a fleeing opponent, then can be substituted for a for its much greater health and survivability boost. or if a build with one sole
- Cleave passive very attractive. Olaf does not need the lifesteal from because he can already gain lifesteal with his Vicious Strikes. However, purchasing during the early game is not recommended as you need some health to make this item's passive (and active) worthwhile. is an excellent option for Olaf because he will usually stack a lot of health late game, making 's
- Olaf giving him health, mana and an active that grants him and his allies movement speed for a few seconds and heavily slows all enemies near him for one second at the end of the duration. In combination with or the enchantment, and , Olaf becomes extremely difficult to stop and will most likely need to be focused down before he kills his target. is especially useful for
- When Olaf does not have Ragnarok or Undertow available for use, he can be extremely vulnerable to kiting. A greatly reduces the effectiveness of this tactic and also offers a considerable amount of health and a useful active slow which Olaf greatly appreciates.
- Dreadnought passive. However, it is recommended to build at least one AD item component such as or before completing , to ensure that Olaf can actually deal enough burst damage once he gets to his target. can be considered an alternative to in a more offensive oriented build, as it also provides movement speed, situational damage and sticking power from the
- Vicious Strikes, increasing the sustain that is already increased by the ability itself even more, not to mention any lifesteal item that Olaf is likely to purchase. The cooldown reduction is also a great asset to Olaf. Due to these reasons, this item is nearly essential for Olaf, except when there are no AP champions on the enemy team.
is one of the best items Olaf can purchase. It synergizes with
- Olaf does not need Ragnarok makes him immune to nearly every crowd control he would want to block with this item. However, it should still be considered if there is an important damaging spell that Olaf should block. that much because
- Some form of life steal or health regeneration is advised when dealing damage with Reckless Swing to negate the health cost. An early can be sufficient for sustaining his health and removes the need to quickly level Vicious Strikes. Later on, it can be upgraded into for a highly offensive , with the life steal stacking with Vicious Strikes. A more utility-oriented upgrade can be found in into - both offer extremely useful active slows and the latter additionally hastens Olaf, making him almost completely impossible to outrun with Ragnarok active.
- It is important to note that Reckless Swing, but since counters this, there are very few things in terms of defense that enemies can do to mitigate Olaf's damage with this item. However, if offers lower raw AD, therefore less damage with both Undertow and Reckless Swing itself. The extra attack speed and the active from Ragnarok should compensate for that, however.
deals damage based on the enemy's current health. Generally, enemies want to stack health to mitigate the effects from the true damage dealt by
- Also, Undertow to clear minion waves. does not offer the minion clearing capabilities that offers, forcing players to either buy or constantly spam
- A Olaf's kit - the passive attack damage boost as his health drops increases his DPS exponentially when combined with Berserker Rage, and the magic damage shield lets him stay at low health more safely. synergizes incomparably well with
- Cooldown reduction synergizes well with Undertow. With a maximum 40% cooldown reduction, the cooldown on Undertow is a mere 0.3 seconds after picking up the axe, as the flat cooldown reduction from picking up the axe becomes even more effective. For the sole purpose of maintaining the slow of Undertow, assuming that the axe is retrieved within 2.5 seconds of throwing it, 12.5% cooldown reduction is all that is needed for the target to be permanently slowed.
- Olaf has no dash ability, so augmenting his mobility with early boots upgrade often proves to be very effective.
- Ragnarok to get rid of crowd control effects that do not slow. If those CCs are a problem, may prove to be a better choice. Additionally, in combination with , are also effective. are a good option in this regard. They make Olaf hard to kite, but at the same time, they make him rely on
- A Olaf's carry-killing power by cutting their attack speed by 15%, in addition to its very useful armor and cooldown reduction bonuses. can greatly augment
- Olaf does not need armor penetration. When choosing between flat damage and armor penetration, it is better to go for flat attack damage because his main target is the AD carry with low armor and the true damage from Reckless Swing deals decent damage to tanks. Undertow also benefits from flat damage. If the enemy team is especially heavily armored, is still a reasonable purchase though as Undertow spam and basic attacks can quickly shred the entire enemy team's armor.
- If your team plans on killing Olaf, fully commit in doing so. Leaving the job-half done will make him even more dangerous due to Berserker Rage and he is likely to simply life steal all the damage your team did to him.
- Undertow is a slow projectile, meaning that you can dodge the spell easily.
- Save your CC while Olaf is using Ragnarok. It removes and negates any CC cast on him while it is active.
- Olaf's Ragnarok also gives him bonus armor and magic resistance. However, when activated, the passive bonus is lost and he gains a lot of AD to boost his damage. It might be wiser to try and burst him before the buff duration is over.
- As Olaf is immune to any forms of CC placed upon him, the most effective forms of keeping him away are self-displacement abilities such as Arcane Shift and player-created terrain such as Cataclysm. You should try to save these abilities for when he uses Ragnarok to make him waste the duration.
- Keep Olaf from reaching your team. His high auto attack damage and high lifesteal from Vicious Strikes can easily take out most of your team with full HP if Olaf is left overlooked.