Don't be too conservative with Mantra. Gathering Fire is strongest in teamfights, making it easy to recharge Mantra multiple times.
Gathering Fire rewards aggressive play. Look to land abilities and basic attacks on your opponent to lower Mantra's cooldown and stay on the offensive.
When using Focused Resolve, slow your opponents with Inner Flame or speed yourself up with Inspire if you're having trouble sticking to a target.
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 some important Karma vs. Ornn matchup statistics that can help us grasp the distinctions between this pair of champs. As an example, Karma’s KDA ratio ([kills + assists] / deaths) of NaN is better than Ornn’s KDA ratio of NaN, showing that Karma may be more central to her team's team fighting capacity than Ornn..
Karma normally has a similar longest kill spree as her matchup does. Commonly, she takes less damage than Ornn. This is usually reflective of different amounts of tankyness, yet it can also indicate that the one champion has less mobility and thus is not able to flee from further harm when engaged or poked.
Both LoL champs are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Karma usually loses when taking on Ornn, with a 47.7% win rate. Thus, Karma makes a poor counter for Ornn.
While Karma does have a lower win rate compared to Ornn, when facing one another, Karma also has a greater learning curve that makes her a more time consuming champion to learn. You should be very concerned when picking Karma into Ornn.
Moreover, Karma has a good amount of utility and CC, a similar amount to Ornn. This makes her just as valuable during teamfights, especially when facing champions with a ton of burst damage.
While there is not one best champion for every situation in League of Legends, in Karma vs Ornn matchups, Ornn is the better champion with a lower win rate, similar champion depth, and a similar amount of utility to help out your allied champions during teamfights.
Karma is a garbage counter for Ornn. You will do well by focussing your strategy on increasing your gold and cs and clearing objectives. If you can do that, you should be able to stand on your own as Karma against Ornn.
If you would like to truly master Karma 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 pay attention to the build and suggestions shown above, you will grow your win rate significantly and be closer to League of Legends pro players.
Karma on average picks up less CS relative to Ornn. Champs who typically don't earn much CS typically don't have to have much CS to be valuable teammates, such as support champions. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually have to have many items to be effective. In either case, try to exceed the values shown here to do well.
The ideal items to use in your Karma versus Ornn build include Shurelya's Battlesong, Dream Maker, and Staff of Flowing Water. When Karma incorporated at least these three items in her build, she did a lot better versus Ornn than with most other typical builds. In fact, Karma boasted an average winrate of 47.7% when countering Ornn with these items in her kit.
To have the highest likelihood of crushing Ornn as Karma, you should equip the Arcane Comet, Manaflow Band, Transcendence, Scorch, Biscuit Delivery, and Cosmic Insight runes from the Sorcery and Inspiration rune sets. Of all the rune builds players picked for Karma vs Ornn counterpicks, this set of runes yielded the highest win rate. Notably, these runes gave a 47.7% winrate overall.
By default, tips, stats, and builds on how to beat Ornn as Karma are given for all ranked divisions. If you want to narrow the stats and builds to a distinct division, you should use the selection menu located earlier in the counter matchup guide.