Using Rupture on creeps in combination with Carnivore is a good way to gain Health and Mana.
If you're having difficulty feasting upon champions, try eating minions until you're larger.
Try to line up your attacks with Vorpal Spikes so that they kill minions and harass enemy champions at the same time.
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 shown on this page show several valuable Cho'Gath against Ornn matchup statistics that may help you distinguish the distinctions between the two. Cho'Gath’s KDA ratio ([kills + assists] / deaths) of NaN is better than Ornn’s ratio of NaN, demonstrating that Cho'Gath may be more central to his team's team fighting potential than Ornn..
Cho'Gath normally has a similar longest kill spree as his counter does. On average, he receives more damage than Ornn. This typically indicates different amounts of tankyness, but it can also indicate that the champ with more HP has less mobility and thus is unable to escape additional damage when poked or engaged.
Both LoL champions are great champions. Both champs have their pros and cons. In the game's current meta, Cho'Gath usually loses when taking on Ornn, with a 46.5% win rate. As a result, Cho'Gath makes a bad counter to Ornn.
While Cho'Gath does have a lower win rate compared to Ornn, when they face off with one another, Cho'Gath also has a greater level of difficulty that makes him a more time consuming champion to pick up and master. You may get destroyed when picking Cho'Gath into Ornn.
Furthermore, Cho'Gath has some amount of utility and CC, a similar amount to Ornn. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there isn't one best champion for every situation in League of Legends, in Cho'Gath vs Ornn matchups, Ornn is the better champ with a much lower win rate, similar champion depth, and a similar amount of utility to help out your allies during teamfights.
Cho'Gath is a terribly counter to Ornn. Focus your play on maximizing your CS and clearing objectives. If you are able to do that, you should hold your own as Cho'Gath against Ornn.
If you would like to learn all of the intricacies of Cho'Gath to counter Ornn during both the laning and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you listen to the build and tips presented here, you will increase your win rate by a lot and be closer to League of Legends pro players.
Cho'Gath typically racks up a similar amount of CS compared to Ornn. Champions who typically don't acquire many minion kills often don't have to have much CS to be effective, such as sup champs. They are capable of scaling well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually require a lot of items to be effective. In either situation, try to exceed the values shown here to do well.
The top items to use in your Cho'Gath versus Ornn build include Kaenic Rookern, Heartsteel, and Hollow Radiance. When Cho'Gath combined at least these three items in his build, he did much better when facing Ornn than with many other typical counter builds. In fact, Cho'Gath boasted an average win rate of 46.5% when countering Ornn with this build.
To have the highest probability of annihilating Ornn as Cho'Gath, you should take the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Legend: Tenacity, and Triumph runes from the Resolve and Precision rune sets. Of all the rune sets players chose for Cho'Gath vs Ornn counters, this combination of runes yielded the greatest win rate. Moreover, these runes provided a 46.5% win rate overall.
If you want to see Cho'Gath versus Ornn tips and matchup stats and build suggestions for a an individual division rank, please choose one from the selection menu provided above. By default, the stats and strategies displayed are computed using every game run with both champions.