Try to knock enemies back into your towers with Explosive Cask.
Try to combo Body Slam with Explosive Cask to set up kills for your team.
The damage reduction from Drunken Rage is applied when you start drinking, try to use it when you see damage coming your way.
Janna's at her strongest when buffing another ally. If you can harass her ally, it will weaken her ability to fight you.
Save an interrupt ability for when Janna uses her ultimate.
Listen for the charge up sound on Howling Gale in case Janna is trying to hit you with it from off screen or from brush.
The stats provided here show some valuable Gragas vs. Janna counter statistics that can help us figure out the differences and similarities between the two. Gragas’s KDA ratio ([kills + assists] / deaths) of NaN is better than Janna’s KDA ratio of NaN, showing that Gragas may be more central to his team's team fighting capability than Janna. This observation is largely caused by the difference in kills.
Gragas typically has a much larger longest kill spree than his enemy does. Typically, he takes more damage than Janna. This commonly reflects different amounts of tankyness, but it can also hint that the champion with increased HP has less agility and thus is not able to kite away from further damage when poked or engaged.
Both LoL champs are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Gragas usually fairs equally well when playing against Janna, with a 49.4% win rate. As a result, Gragas makes an ok counter for Janna.
While Gragas does have a lower winrate than Janna, when facing one another, Gragas also has a lower learning curve that makes him a less time consuming champion to develop with. You still need to be cautious when picking Gragas into Janna.
Furthermore, Gragas has a good amount of utility and CC, a similar amount to Janna. This often makes her just as valuable during team fights, especially when fighting champions with a ton of burst damage.
While there is not one best champion for every situation in League of Legends, in Gragas vs Janna matchups, Janna is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your allied champions during teamfights.
Gragas is a somewhat poor counter for Janna. Focus your actions on increasing your gold income and clearing objectives. If you can do that, you should be able to stand on your own as Gragas against Janna.
If you would like to truly master Gragas in order to counter Janna during both the laning and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tricks and insights into this matchup. If you pay attention to the build and stats displayed above, you should increase your win rate by a lot and be that much closer to League of Legends pro players.
Gragas usually racks up much more CS compared to Janna. Champions who on average don't take many minion kills usualy don't require much CS to be effective, such as support champions. They are capable of scaling properly off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically have to have a lot of items to be effective. In either situation, try to do better than the numbers reported on this page to do well.
The best items to prioritize in your Gragas versus Janna build consist of Rabadon's Deathcap, Lich Bane, and Stormsurge. When Gragas used at least these three pieces in his build, he performed much better versus Janna than with many other typical item sets. In fact, Gragas had an average win rate of 49.4% battling Janna with this counter build.
To have the greatest chance of annihilating Janna as Gragas, you should equip the Phase Rush, Manaflow Band, Transcendence, Scorch, Biscuit Delivery, and Cosmic Insight runes from the Sorcery and Inspiration rune sets. Of all the runes players picked for Gragas vs Janna clashes, this sequence of runes resulted in the highest win rate. In fact, these runes provided a 49.4% win rate overall.
If you need to see Gragas vs Janna tips and counter stats for a a distinct player tier, please choose one from the selection menu displayed above. If viewing for the first time, the stats and guides given are computed using all rounds completed with both champions.