Roar of the Slayer is a great setup ability to land a very powerful Decimating Smash.
The Soul Furnace buff displays how much shield strength is remaining, use this information to time its explosion perfectly.
You only have very slight turning ability during Unstoppable Onslaught, so make sure to use it in straight paths.
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.
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.
The stat comparisons provided here emphasize some critical Sion vs. Olaf matchup statistics that can help you explain the distinctions between the two. As an example, Sion’s KDA ratio ([kills + assists] / deaths) of NaN is more than Olaf’s ratio of NaN, highlighting that Sion may be more central to his team's team fighting capacity than Olaf..
Sion typically has a slightly smaller longest killing spree than his matchup does. Commonly, he takes more damage than Olaf. This is usually reflective of different amounts of tankyness, but it can also imply that the champ with higher health has less mobility and thus is unable to flee from further harm when engaged or poked.
Both LoL champs are great champions. Both have their strengths, weaknesses, and counters. In the game's current meta, Sion usually fairs equally well when taking on Olaf, with a 49.7% win rate. Thus, Sion makes an ok counter to Olaf.
While Sion does have a lower win rate compared to Olaf, when facing one another, Sion also has a greater level of difficulty that makes him a more difficult champ to pick up and master. You still need to be cautious when picking Sion into Olaf.
Moreover, Sion also has a good amount of utility and CC, a similar amount to Olaf. This often makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't a single best champion in League of Legends, in Sion vs Olaf matchups, Olaf is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your allied champions during teamfights.
Sion is a somewhat poor counter to Olaf. You will do well by focussing your actions on keeping up your CS and destroying objectives. If you can do that, you should do very well as Sion against Olaf.
If you would like to learn all of the intricacies of Sion to counter Olaf during both the early game and mid / late game phases of League of Legends, you should continue reading to learn a few extra tips and tricks for this matchup. If you mind the build and suggestions displayed here, you will increase your win rate by a lot and be that much closer to League of Legends pro players.
Sion often gets a similar amount of CS as Olaf. Champions who on average don't acquire much CS often don't need much CS to be effective, such as supports. They are able to scale properly off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically have to have many items to be effective. In either situation, try to do better than the values reported on this page to do well.
The best items to focus on in your Sion versus Olaf build include Unending Despair, Sunfire Aegis, and Heartsteel. When Sion incorporated at least these three pieces in his build, he performed significantly better when fighting Olaf than with most other commonly used item sets. In fact, Sion boasted an average winrate of 49.7% when countering Olaf with these items in his kit.
To have the highest likelihood of annihilating Olaf as Sion, you should take the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Approach Velocity, and Minion Dematerializer runes from the Resolve and Inspiration rune sets. Out of all the rune sets that we analyzed for Sion vs Olaf counter picks, this sequence of runes resulted in the greatest win rate. Moreover, these runes averaged a 49.7% win rate overall.
By default, tips, stats, and builds on how to beat Olaf as Sion are shown for every ranked division. If you would like to narrow the statistics and builds to a particular division, you can use the selection menu earlier in the counter matchup guide.