You can use Comet of Legend's flight to grow Starsurge to massive proportions.
Comet of Legend allows you to move quickly around the map; use it to put pressure on other lanes.
Save Voice of Light to use as a defense against melee opponents if you need to - otherwise, use its slow to start a fight at long range.
The stat comparisons shown here underscore several vital Aurelion Sol vs. Yuumi counter statistics that can help us interpret the differences and similarities between this pair of champions. For instance, Aurelion Sol’s KDA ratio ([kills + assists] / deaths) of NaN is more than Yuumi’s ratio of NaN, demonstrating that Aurelion Sol may be more central to his team's team fighting effectiveness than Yuumi. This observation is in large part caused by the difference in kills.
Aurelion Sol typically has a much larger longest kill spree than his counter does. On average, he receives more damage than Yuumi. This typically indicates different amounts of tankyness, but it can also imply that the champ with higher HP has less mobility and thus is unable to flee from further harm when engaged or poked.
Both League champions are great champions. Both have their pros and cons. In League's current meta, Aurelion Sol usually wins when playing against Yuumi, with a 58.4% win rate. Thus, Aurelion Sol makes a fantastic counter for Yuumi.
While Aurelion Sol does have a much higher win rate compared to Yuumi, when facing one another, Aurelion Sol also has a much greater level of difficulty that makes him a more complex champ to develop with. You should be be fine when picking Aurelion Sol into Yuumias his relative depth means that you may not be able to reach his full potential without a lot of practice beforehand.
Furthermore, Aurelion Sol also has almost no amount of CC and other utility, a similar amount to Yuumi. This often makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there is not a single best champion in League of Legends, in Aurelion Sol vs Yuumi matchups, Aurelion Sol is the better champion with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your allied champions during team fights.
Aurelion Sol is a great counter to Yuumi. You will do well by focussing your gameplay on increasing your gold and cs and clearing objectives. If you are able to do that, you should hold your own as Aurelion Sol against Yuumi.
To truly master Aurelion Sol to counter Yuumi during both the lane and mid / late game phases of League of Legends, you should keep reading to gather a few extra lessons on this matchup. If you mind the build and stats displayed above, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Aurelion Sol usually racks up much more CS as Yuumi. Champs who typically don't take many minion kills typically don't need much CS to be effective, such as supports. 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 exceed the numbers displayed here to do well.
The most crucial items to use in your Aurelion Sol versus Yuumi build include Seraph's Embrace, Rabadon's Deathcap, and Rylai's Crystal Scepter. When Aurelion Sol used at least these three pieces in his build, he did a lot better against Yuumi than with most other typical builds. In fact, Aurelion Sol boasted an average winrate of 58.4% when playing against Yuumi with these items in his kit.
To have the greatest chance of crushing Yuumi as Aurelion Sol, you should take the Arcane Comet, Manaflow Band, Transcendence, Gathering Storm, Biscuit Delivery, and Magical Footwear runes from the Sorcery and Inspiration rune sets. Out of all the rune sets players picked for Aurelion Sol vs Yuumi battles, this mix of runes yielded the best win rate. In fact, these runes gave a 58.4% winrate overall.
By default, tips, stats, and builds on how to beat Yuumi as Aurelion Sol are given for every ranked division. If you want to scope the stats and builds to a specific player tier, you should use the selection menu earlier on the page.