Pale Cascade orbs only last a few seconds. Avoid Diana and engage her after the shield dissipates.
Diana can play very aggressively if she uses Lunar Rush without Moonlight, but you can punish her by slowing or stunning her when she has no way to get back into position.
Dodge Crescent Strike, or move to safety if you are affected by Moonlight.
The stat comparisons shown on this page clarify some valuable Yuumi versus Diana counter statistics that may help us grasp the differences between this pair of champs. For instance, Yuumi’s KDA ratio ([kills + assists] / deaths) of NaN is more than Diana’s KDA ratio of NaN, showing that Yuumi may be more central to her team's team fighting capability than Diana. This observation is largely caused by the differences in assists.
Yuumi typically has a significantly smaller longest kill spree than her opponent does. On average, she receives less damage than Diana. This commonly reflects differing health capacities; however, it can also indicate that the one champ has less agility and thus is unable to escape additional damage when engaged or poked.
Both League champs are great. Both champs have their pros and cons. In the game's current meta, Yuumi usually loses when taking on Diana, with a 43.3% win rate. Thus, Yuumi makes a bad counter to Diana.
While Yuumi does have a much lower win rate than Diana, when on opposite teams, Yuumi also has a lower learning curve that makes her a less difficult champ to learn and master. You should be very concerned when picking Yuumi into Diana.
Moreover, Yuumi has a great amount of CC and other utility, a similar amount to Diana. This often makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there isn't one best champion for every situation in League of Legends, in Yuumi vs Diana matchups, Diana is the better champion with a much lower win rate, less champion complexity, and a similar amount of utility to help out your team members during late stage team fights.
Yuumi is a garbage counter to Diana. Focus your play on keeping up your CS and clearing objectives. If you are able to do that, you should be able to stand on your own as Yuumi against Diana.
To learn all of the intricacies of Yuumi in order to counter Diana during both the early game 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 tips presented here, you will grow your win rate significantly and be closer to League of Legends pro players.
Yuumi on average picks up a lot less CS relative to Diana. Champions who typically don't take much CS usualy don't require much CS to be effective, such as sup champs. They are able to scale well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually have to have many items to be effective. In either case, try to surpass the values reported here to do well.
The top items to have in your Yuumi versus Diana build include Ardent Censer, Imperial Mandate, and Moonstone Renewer. When Yuumi bought at least these three pieces in her build, she did significantly better vs Diana than with many other typical counter builds. In fact, Yuumi boasted an average winrate of 43.3% battling Diana with these items in her kit.
To have the best chance of annihilating Diana as Yuumi, you should take the Summon Aery, Manaflow Band, Transcendence, Scorch, Font of Life, and Revitalize runes from the Sorcery and Resolve rune sets. Of all the rune builds players used for Yuumi vs Diana matchups, this combo of runes resulted in the best win rate. Moreover, these runes gave a 43.3% win rate overall.
If you need to see Yuumi versus Diana tips and builds for a a distinct rank, feel free to choose one from the selection menu above. By default, the statistics and build suggestions displayed are calculated using every round finished with these champions.