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.
Dodging Arctic Assault and Glacial Prison can give you a huge advantage.
Focus on avoiding the second swing of Winter's Wrath which carries the brunt of the damage.
Melee enemies can also stack Frost for Sejuani, be very careful around them.
The stats provided here feature several valuable Galio vs. Sejuani matchup stats that may help you distinguish the differences and similarities between the two. For instance, Galio’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Sejuani’s ratio of NaN, showing that Galio may be more central to his team's team fighting capability than Sejuani..
Galio normally has a slightly larger longest kill spree than his opponent does. On average, he receives less damage than Sejuani. This is usually reflective of different amounts of tankyness, yet it can also indicate that the one champion has less agility and thus is unable to escape further damage when engaged or poked.
Both LoL champs are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Galio usually wins when facing off against Sejuani, with a 52.8% win rate. As a result, Galio makes a good counter for Sejuani.
While Galio does have a higher win rate than Sejuani, when they face off with one another, Galio also has a greater difficulty level that makes him a more complex champion to pick up and master. You don't need to be too worried when picking Galio into Sejuani.
Moreover, Galio also has some amount of CC and other utility, a similar amount to Sejuani. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there isn't a single best champion in League of Legends, in Galio vs Sejuani matchups, Galio is the better champ with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your allied champions during team fights.
Galio is a good counter for Sejuani. You will do well by focussing your gameplay on maximizing your CS and taking out objectives. If you can do that, you should hold your own as Galio against Sejuani.
If you would like to truly master Galio in order to counter Sejuani during both the early game 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 stats shown above, you will grow your win rate significantly and be closer to League of Legends pro players.
Galio typically picks up much more CS relative to Sejuani. Champions who typically don't earn much CS typically don't require much CS to be valuable teammates, such as support champions. They are capable of scaling well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually require many items to be effective. In either case, try to do better than the numbers displayed here to do well.
The most crucial items to prioritize in your Galio versus Sejuani build include Rabadon's Deathcap, Shadowflame, and Stormsurge. When Galio included at least these three pieces in his build, he did a lot better vs Sejuani than with many other commonly used builds. In fact, Galio had an average winrate of 52.8% battling Sejuani with this counter build.
To have the highest likelihood of beating Sejuani as Galio, you should take the Electrocute, Sudden Impact, Eyeball Collection, Treasure Hunter, Nimbus Cloak, and Scorch runes from the Domination and Sorcery rune sets. Of all the rune combinations players picked for Galio vs Sejuani counter picks, this combo of runes yielded the highest win rate. In fact, these runes gave a 52.8% win rate overall.
By default, tips, stats, and builds on how to beat Sejuani as Galio are displayed for all skill levels, merged. If you would like to filter the statistics and builds to a particular skill level, you can use the selection menu earlier on the page.