Use the time after Sion has died to reposition and prepare for his return.
Even if Sion still hits a Decimating Smash, making him release the charge earlier reduces its impact.
The stats shown here emphasize some significant Sett versus Sion matchup stats that may help us understand the differences and similarities between the two. Sett’s KDA ratio ([kills + assists] / deaths) of NaN is better than Sion’s KDA ratio of NaN, demonstrating that Sett may be more central to his team's team fighting capacity than Sion..
Sett normally has a slightly larger longest killing spree than his foe does. On average, he receives less damage than Sion. This is usually reflective of different amounts of tankyness; however, it can also hint that the one champion has less mobility and thus is unable to escape additional harm when engaged or poked.
Both League champions are great. Both champs have their pros and cons. In the game's current meta, Sett usually fairs equally well when trying to fight Sion, with a 50.4% win rate. Thus, Sett makes an ok counter for Sion.
While Sett does have a higher win rate than Sion, when facing one another, Sett also has a lower difficulty level that makes him a less complex champ to develop with. You should be careful when picking Sett into Sion.
Additionally, Sett has only a small amount of utility and CC, a similar amount to Sion. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there is not one best champion for every situation in League of Legends, in Sett vs Sion matchups, Sett is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your teammates during teamfights.
Sett is a decent counter to Sion. You will do well by focussing your gameplay on maximizing your gold and cs and clearing objectives. If you do that, you should hold your own as Sett against Sion.
To learn all of the intricacies of Sett in order to counter Sion during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra tricks and insights into this matchup. If you pay attention to the build and tips displayed above, you should increase your win rate by a lot and be that much closer to League of Legends pro players.
Sett usually accumulates a similar amount of CS compared to Sion. Champions who on average don't acquire many minion kills usualy don't require much CS to be valuable teammates, such as support champions. They are capable of scaling properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often need several high cost items to be effective. In either case, try to exceed the numbers reported here to do well.
The top items to prioritize in your Sett versus Sion build include Black Cleaver, Trinity Force, and Titanic Hydra. When Sett included at least these three pieces in his build, he performed a lot better against Sion than with most other typical item sets. In fact, Sett boasted an average win rate of 50.4% when playing against Sion with this build.
To have the highest chance of coming out on top against Sion as Sett, you should take the Conqueror, Triumph, Legend: Alacrity, Last Stand, Second Wind, and Unflinching runes from the Precision and Resolve rune sets. Out of all the rune builds players used for Sett vs Sion counters, this combination of runes resulted in the highest win rate. Notably, these runes gave a 50.4% win rate overall.
If you want to see Sett x Sion tips and counter builds for a a specific rank, feel free to select one from the selection menu displayed above. By default, the statistics and strategies given are computed using all matches completed with both champions.