You can release Shield of Durand even while crowd controlled.
You can use the minimap ally icons to cast Hero's Entrance.
You can use the step back from Justice Punch to dodge enemy spells.
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 shown here feature some vital Galio versus Janna matchup stats that may help you grasp the distinctions between the two. Galio’s KDA ratio ([kills + assists] / deaths) of NaN is better than Janna’s KDA ratio of NaN, demonstrating that Galio may be more central to his team's team fighting effectiveness than Janna. This observation is largely fueled by the difference in kills.
Galio normally has a much larger longest kill spree than his opponent does. Commonly, he receives more damage than Janna. This typically indicates different amounts of tankyness, yet it can also show that the champ with increased HP has less agility and thus is not able to flee from further damage when engaged or poked.
Both LoL champions are great. Both champs have their pros and cons. In the game's current meta, Galio usually loses when facing off against Janna, with a 47.5% win rate. Thus, Galio makes a bad counter to Janna.
While Galio does have a lower winrate than Janna, when facing one another, Galio also has a lower learning curve that makes him a less challenging champ to learn. You may get destroyed when picking Galio into Janna.
Additionally, Galio also has some amount of CC and other utility, a similar amount to Janna. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Galio vs Janna matchups, Janna is the better champion with a lower win rate, less champion complexity, and a similar amount of utility to help out your team members during teamfights.
Galio is a bad counter for Janna. You will do well by focussing your actions on maximizing your gold and cs and taking out objectives. If you are able to do that, you should hold your own as Galio against Janna.
To learn all of the intricacies of Galio 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 tips and tricks for this matchup. If you mind the build and suggestions shown above, you should increase your win rate by a lot and be closer to League of Legends pro players.
Galio often gets much more CS as Janna. Champs who on average don't acquire many minion kills often don't need much CS to be effective, such as supports. They are capable of scaling properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically need many items to be effective. In either case, try to surpass the values reported here to do well.
The best items to have in your Galio versus Janna build consist of Rabadon's Deathcap, Shadowflame, and Stormsurge. When Galio incorporated at least these three pieces in his build, he did significantly better countering Janna than with many other commonly used item sets. In fact, Galio boasted an average win rate of 47.5% battling Janna with this build.
To have the best likelihood of crushing Janna as Galio, you should use the Aftershock, Shield Bash, Bone Plating, Overgrowth, Nimbus Cloak, and Transcendence runes from the Resolve and Sorcery rune sets. Of all the runes players used for Galio vs Janna LoL games, this order of runes yielded the greatest win rate. Notably, these runes gave a 47.5% winrate overall.
By default, tips, statistics, and builds on how to beat Janna as Galio are displayed for every ranked division. If you would like to narrow the statistics and builds to a particular skill level, you can use the selection menu located earlier on the page.