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 from all sources as well as heals from allies.
Try to stay away from walls. Ornn is much less strong if he cannot stun you.
Attack Ornn to keep him from creating items in lane.
The stats shown on this page highlight several critical Olaf versus Ornn counter statistics that can help you appreciate the distinctions between this set of champs. As an example, Olaf’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Ornn’s KDA ratio of NaN, showing that Olaf may be more central to his team's team fighting capability than Ornn..
Olaf often has a slightly larger longest kill spree than his opponent does. On average, he receives a similar amount of damage to Ornn. This commonly reflects different amounts of tankyness, yet it can also indicate that the one champ has less mobility and thus is unable to escape further damage when poked or engaged.
Both LoL champs are great. Both champs have their pros and cons. In League's current meta, Olaf usually fairs equally well when facing off against Ornn, with a 50.9% win rate. As a result, Olaf makes an ok counter for Ornn.
While Olaf does have a higher winrate than Ornn, when facing one another, Olaf also has a lower level of difficulty that makes him a less difficult character to develop with. You should be careful when picking Olaf into Ornn.
Moreover, Olaf has almost no amount of utility and CC, a similar amount to Ornn. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Olaf vs Ornn matchups, Olaf is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your allies during team fights.
Olaf is a decent counter to Ornn. Focus your tactics on increasing your CS and taking out objectives. If you can do that, you should hold your own as Olaf against Ornn.
If you would like to learn all of the intricacies of Olaf to counter Ornn during both the laning and mid / late game phases of League of Legends, you should keep reading to gather a few extra tricks and insights into this matchup. If you listen to the build and suggestions presented above, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Olaf typically picks up a similar amount of CS as Ornn. Champions who on average don't take many minion kills usualy don't need much CS to be effective, such as sup champs. These kinds of champions are able to scale properly off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically need several high cost items to be effective. In either case, try to exceed the numbers reported here to do well.
The ideal items to focus on in your Olaf versus Ornn build consist of Sterak's Gage, Experimental Hexplate, and Ravenous Hydra. When Olaf included at least these three items in his build, he performed a lot better countering Ornn than with most other commonly used builds. In fact, Olaf had an average win rate of 50.9% when countering Ornn with this build.
To have the best probability of coming out on top against Ornn as Olaf, Olaf players should take the Conqueror, Triumph, Legend: Alacrity, Last Stand, Approach Velocity, and Biscuit Delivery runes from the Precision and Inspiration rune sets. Of all the rune sets players picked for Olaf vs Ornn battles, this combo of runes yielded the greatest win rate. Moreover, these runes averaged a 50.9% winrate overall.
By default, tips, statistics, and builds on how to beat Ornn as Olaf are given for every ranked division. If you want to scope the stats and builds to a distinct division, you can use the selection menu at the top of this page.