Teemo's mushrooms can be used to farm creep waves very effectively.
Place your mushrooms at key locations on the map, such as by the Dragon or Baron Nashor, to reveal when your enemies might be attempting to kill them.
Try to stay away from walls. Ornn is much less strong if he cannot stun you.
Attack Ornn to keep him from creating items in lane.
The stats provided here clarify several valuable Teemo against Ornn counter stats that can help you interpret the differences and similarities between the pair. Teemo’s KDA ratio ([kills + assists] / deaths) of NaN is more than Ornn’s ratio of NaN, highlighting that Teemo may be more central to his team's team fighting capacity than Ornn..
Teemo normally has a similar longest killing spree as his matchup does. Typically, he takes less damage than Ornn. This is usually reflective of different amounts of tankyness, but it can also imply that the champion with more health has less mobility and thus is unable to flee from additional damage when poked or engaged.
Both LoL champions are great. Both champs have their pros and cons. In the game's current meta, Teemo usually fairs equally well when trying to fight Ornn, with a 49.4% win rate. As a result, Teemo makes an ok counter for Ornn.
While Teemo does have a lower winrate than Ornn, when they face off with one another, Teemo also has a greater difficulty level that makes him a more time consuming champion to develop with. You should be careful when picking Teemo into Ornn.
Additionally, Teemo has some amount of CC and other utility, a similar amount to Ornn. This often makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there isn't a single best champion overall in League of Legends, in Teemo vs Ornn matchups, Ornn is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your team members during late stage team fights.
Teemo is a somewhat poor counter to Ornn. Focus your actions on maximizing your gold income and destroying objectives. If you can do that, you should hold your own as Teemo against Ornn.
To learn all of the intricacies of Teemo in order to counter Ornn during both the lane and mid / late game phases of League of Legends, you should keep reading to gather a few extra tricks and insights into this matchup. If you mind the build and suggestions shown here, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Teemo often picks up a similar amount of CS as Ornn. Champions who typically don't acquire many minion kills usualy don't need much CS to be effective, such as supports. These kinds of champions are capable of scaling properly off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically have to have several high cost items to be effective. In either case, try to exceed the numbers shown on this page to do well.
The most important items to focus on in your Teemo versus Ornn build include Rabadon's Deathcap, Malignance, and Shadowflame. When Teemo used at least these three pieces in his build, he performed significantly better countering Ornn than with most other common item sets. In fact, Teemo boasted an average winrate of 49.4% when countering Ornn with this counter build.
To have the highest likelihood of defeating Ornn as Teemo, Teemo players should use the Dark Harvest, Cheap Shot, Eyeball Collection, Ultimate Hunter, Transcendence, and Gathering Storm runes from the Domination and Sorcery rune sets. Out of all the rune builds players picked for Teemo vs Ornn counters, this combination of runes yielded the greatest win rate. Moreover, these runes provided a 49.4% winrate overall.
By default, tips, statistics, and builds on how to beat Ornn as Teemo are given for all skill levels combined. If you want to scope the statistics and builds to a particular rank, you can use the selection menu located earlier on the page.