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.
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 show several valuable Sion versus Illaoi matchup statistics that can help us explain the differences and similarities between the pair. Sion’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Illaoi’s ratio of NaN, highlighting that Sion may be more central to his team's team fighting effectiveness than Illaoi..
Sion typically has a slightly smaller longest killing spree than his opponent does. Typically, he receives more damage than Illaoi. This commonly reflects different amounts of tankyness, but it can also hint that the champ with higher HP has less mobility and thus is not able to kite away from further harm when poked or engaged.
Both League champs are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Sion usually fairs equally well when taking on Illaoi, with a 50.2% win rate. As a result, Sion makes an ok counter to Illaoi.
While Sion does have a higher winrate compared to Illaoi, when facing one another, Sion also has a greater level of difficulty that makes him a more difficult character to pick up and master. You should be careful when picking Sion into Illaoi.
Additionally, Sion also has a good amount of utility and CC, a similar amount to Illaoi. This makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion in League of Legends, in Sion vs Illaoi matchups, Sion is the better champ 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 decent counter for Illaoi. You will do well by focussing your strategy on keeping up your gold income and destroying objectives. If you can do that, you should do very well as Sion against Illaoi.
To truly master Sion to counter Illaoi during both the early game and mid / late game phases of League of Legends, you should keep reading to gather a few extra tips and tricks for this matchup. If you listen to the build and stats shown here, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Sion typically racks up a similar amount of CS as Illaoi. Champions who on average don't get many minion kills often don't require much CS to be valuable teammates, such as support champions. They are able to scale well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically have to have a lot of items to be effective. In either situation, try to surpass the numbers shown here to do well.
The most crucial items to have in your Sion versus Illaoi build consist of Sunfire Aegis, Thornmail, and Jak'Sho, The Protean. When Sion combined at least these three items in his build, he did a lot better against Illaoi than with most other common counter builds. In fact, Sion had an average win rate of 50.2% when countering Illaoi with this build.
To have the highest likelihood of beating Illaoi as Sion, you should equip 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 runes players picked for Sion vs Illaoi matchups, this mixture of runes yielded the highest win rate. In fact, these runes provided a 50.2% win rate overall.
By default, tips, stats, and builds on how to beat Illaoi as Sion are presented for every ranked division. If you would like to narrow the statistics and builds to a specific rank, you should use the selection menu earlier in the counter matchup guide.