Molten Shield is a good spell to cast to work up to Annie's stun, so sometimes it's beneficial to grab at least 1 rank in it early.
Striking killing blows on minions with Disintegrate enables Annie to farm extremely well early in the game.
Storing a stun for use with her ultimate can turn the tide of a team fight.
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 provided here highlight several influential Annie against Sion matchup stats that may help you distinguish the differences and similarities between the pair. Annie’s KDA ratio ([kills + assists] / deaths) of NaN is more than Sion’s ratio of NaN, showing that Annie may be more central to her team's team fighting capability than Sion..
Annie typically has a slightly larger longest kill spree than her foe does. Commonly, she receives less damage than Sion. This is usually reflective of differing health capacities, but it can also hint that the one champion has less mobility and thus is not able to kite away from additional damage when engaged or poked.
Both League of Legends champions are great. Both have their pros and cons. In League's current meta, Annie usually loses when trying to fight Sion, with a 46.5% win rate. Thus, Annie makes a poor counter for Sion.
While Annie does have a lower win rate than Sion, when on opposite teams, Annie also has a greater level of difficulty that makes her a more time consuming champ to learn. You should expect to face a difficult match when picking Annie into Sion.
Additionally, Annie also has a good amount of CC and other utility, a similar amount to Sion. This makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Annie vs Sion matchups, Sion is the better champ with a much lower win rate, more champion depth, and a similar amount of utility to help out your allied champions during late stage team fights.
Annie is a bad counter for Sion. You will do well by focussing your tactics on maximizing your gold and cs and clearing objectives. If you do that, you should be able to stand on your own as Annie against Sion.
To truly master Annie to counter Sion during both the lane and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you pay attention to the build and suggestions presented here, you will grow your win rate by a lot and be closer to League of Legends pro players.
Annie on average accumulates a similar amount of CS compared to Sion. Champions who on average don't acquire many minion kills often don't require much CS to be valuable teammates, such as supports. They are capable of scaling properly off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually need several high cost items to be effective. In either case, try to surpass the values shown on this page to do well.
The best items to focus on in your Annie versus Sion build include Malignance, Zhonya's Hourglass, and Shadowflame. When Annie combined at least these three pieces in her build, she did much better when facing Sion than with most other common builds. In fact, Annie had an average winrate of 46.5% when countering Sion with these items in her kit.
To have the highest probability of beating Sion as Annie, you should take the Electrocute, Cheap Shot, Eyeball Collection, Relentless Hunter, Manaflow Band, and Absolute Focus runes from the Domination and Sorcery rune sets. Out of all the rune builds that we analyzed for Annie vs Sion counter picks, this composite of runes yielded the highest win rate. Moreover, these runes averaged a 46.5% win rate overall.
If you would like to see Annie versus Sion tips and builds for a a distinct division rank, feel free to choose one from the selection menu above. At first, the stats and strategies shown are calculated using all matches with data with these champs.