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.
Janna's at her strongest when buffing another ally. If you can harass her ally, it will weaken her ability to fight you.
Save an interrupt ability for when Janna uses her ultimate.
Listen for the charge up sound on Howling Gale in case Janna is trying to hit you with it from off screen or from brush.
The stat comparisons provided here feature some vital Olaf versus Janna matchup stats that can help you grasp the differences and similarities between these two champs. Olaf’s KDA ratio ([kills + assists] / deaths) of NaN is more than Janna’s ratio of NaN, demonstrating that Olaf may be more central to his team's team fighting potential than Janna. This observation is largely fueled by the difference in kills.
Olaf usually has a much larger longest kill spree than his opponent does. Typically, he takes more damage than Janna. This is usually reflective of different amounts of tankyness, but it can also illustrate that the one champion has less mobility and thus is unable to escape additional harm when poked or engaged.
Both League of Legends champs are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Olaf usually loses when trying to fight Janna, with a 48.0% win rate. As a result, Olaf makes a poor counter to Janna.
While Olaf does have a lower win rate than Janna, when facing one another, Olaf also has a much lower difficulty level that makes him a less time consuming champion to learn. You may get destroyed when picking Olaf into Janna.
Furthermore, Olaf also has almost no amount of CC and other utility, a similar amount to Janna. This often makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Olaf vs Janna matchups, Janna is the better champion with a lower win rate, less champion complexity, and a similar amount of utility to help out your allies during team fights.
Olaf is a terribly counter for Janna. You will do well by focussing your tactics on maximizing your gold and cs and clearing objectives. If you do that, you should do very well as Olaf against Janna.
If you would like to learn all of the intricacies of Olaf in order to counter Janna during both the early game and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tips and tricks for this matchup. If you listen to the build and stats displayed here, you should increase your win rate significantly and be closer to League of Legends pro players.
Olaf often gets much more CS compared to Janna. Champs who on average don't take many minion kills typically don't have to have much CS to be effective, such as supports. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually have to have a lot of items to be effective. In either case, try to surpass the values shown here to do well.
The best items to prioritize in your Olaf versus Janna build include Sterak's Gage, Experimental Hexplate, and Ravenous Hydra. When Olaf included at least these three pieces in his build, he performed a lot better countering Janna than with many other typical builds. In fact, Olaf had an average winrate of 48.0% battling Janna with this counter build.
To have the highest probability of annihilating Janna as Olaf, Olaf players should equip the Conqueror, Triumph, Legend: Alacrity, Last Stand, Biscuit Delivery, and Approach Velocity runes from the Precision and Inspiration rune sets. Out of all the rune builds that we analyzed for Olaf vs Janna counters, this composite of runes resulted in the greatest win rate. Moreover, these runes gave a 48.0% winrate overall.
By default, tips, stats, and builds on how to beat Janna as Olaf are given for all ranked divisions. To narrow the statistics and builds to a particular rank, you should use the selection menu above.