Killing Tentacles whenever possible will make it much easier to win a fight against Illaoi.
When your spirit gets pulled out, fight back if you can. Dealing damage to Illaoi reduces the spirit's duration.
Avoid grouping up for Leap of Faith to reduce the number of Tentacles available to Illaoi.
The stats shown on this page highlight several significant Sett vs. Illaoi counter stats that can help us grasp the differences and similarities between the pair. For instance, Sett’s KDA ratio ([kills + assists] / deaths) of NaN is better than Illaoi’s KDA ratio of NaN, showing that Sett may be more central to his team's team fighting capacity than Illaoi..
Sett typically has a similar longest kill spree as his foe does. Typically, he takes a similar amount of damage to Illaoi. This commonly reflects differing health capacities, yet it can also hint that the one champion has less mobility and thus is unable to kite away from additional harm when poked or engaged.
Both LoL champs are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Sett usually loses when taking on Illaoi, with a 46.4% win rate. Thus, Sett makes a poor counter to Illaoi.
While Sett does have a lower winrate than Illaoi, when on opposite teams, Sett also has a lower learning curve that makes him a less time consuming champ to learn. You may get destroyed when picking Sett into Illaoi.
Additionally, Sett has only a small amount of CC and other utility, a similar amount to Illaoi. This often makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there is not a single best champion in League of Legends, in Sett vs Illaoi matchups, Illaoi is the better champion with a much lower win rate, less champion complexity, and a similar amount of utility to help out your teammates during team fights.
Sett is a garbage counter to Illaoi. Make sure you focus your actions on maximizing your CS and taking out objectives. If you are able to do that, you should be able to stand on your own as Sett against Illaoi.
If you would like to truly master Sett to counter Illaoi during both the lane 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 suggestions shown here, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Sett typically gets a similar amount of CS relative to Illaoi. Champions who typically don't take many minion kills usualy don't have to have much CS to be valuable teammates, such as support champions. They are able to scale well off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically require many items to be effective. In either case, try to surpass the numbers reported on this page to do well.
The most important items to prioritize in your Sett versus Illaoi build include Heartsteel, Sterak's Gage, and Titanic Hydra. When Sett used at least these three pieces in his build, he performed a lot better when fighting Illaoi than with most other commonly used counter builds. In fact, Sett boasted an average win rate of 46.4% when countering Illaoi with this counter build.
To have the highest chance of coming out on top against Illaoi as Sett, Sett players should take the Grasp of the Undying, Demolish, Second Wind, Overgrowth, Last Stand, and Triumph runes from the Resolve and Precision rune sets. Of all the rune sets that we analyzed for Sett vs Illaoi face-offs, this set of runes yielded the greatest win rate. Moreover, these runes provided a 46.4% win rate overall.
By default, tips, stats, and builds on how to beat Illaoi as Sett are shown for all skill levels, merged. If you want to filter the stats and builds to a particular skill level, you may use the selection menu located earlier in the counter matchup guide.