Learn how to counter and when to pick Io from our list of counters and matchups updated for the current meta.
| Hero | DisadvantageDis. | Hero Win Rate | |
|---|---|---|---|
 | Monkey King | 2.84% | 52.49% |
 | Ancient Apparition | 2.70% | 45.95% |
 | Broodmother | 2.65% | 55.41% |
 | Underlord | 2.62% | 44.92% |
 | Troll Warlord | 2.59% | 44.57% |
| Hero | AdvantageAdv. | Hero Win Rate | |
|---|---|---|---|
 | Anti-Mage | 3.94% | 50.96% |
 | Shadow Demon | 2.72% | 54.36% |
 | Arc Warden | 2.60% | 48.99% |
 | Oracle | 2.56% | 51.05% |
 | Void Spirit | 2.50% | 53.52% |
| Hero | DisadvantageDis. | IoHero Win Rate | Matches Played | |
|---|---|---|---|---|
| Monkey King | 2.84% | 52.49% | 44,776 |
| Ancient Apparition | 2.70% | 45.95% | 42,116 |
| Broodmother | 2.65% | 55.41% | 15,652 |
| Underlord | 2.62% | 44.92% | 18,747 |
| Troll Warlord | 2.59% | 44.57% | 39,233 |
 | Sven | 2.25% | 50.80% | 21,409 |
 | Dark Willow | 2.23% | 48.75% | 28,696 |
 | Crystal Maiden | 2.08% | 47.69% | 73,477 |
 | Windranger | 2.07% | 51.12% | 68,326 |
 | Lycan | 1.97% | 48.65% | 6,278 |
 | Keeper of the Light | 1.80% | 52.53% | 29,227 |
 | Batrider | 1.79% | 56.55% | 11,342 |
 | Winter Wyvern | 1.78% | 48.04% | 33,940 |
 | Earthshaker | 1.64% | 48.14% | 60,251 |
 | Huskar | 1.64% | 49.29% | 26,644 |
 | Lina | 1.59% | 51.91% | 54,586 |
 | Doom | 1.59% | 50.04% | 23,994 |
 | Magnus | 1.55% | 51.22% | 57,311 |
 | Weaver | 1.42% | 51.09% | 45,044 |
 | Viper | 1.41% | 46.23% | 46,831 |
 | Ember Spirit | 1.38% | 52.28% | 21,111 |
 | Chaos Knight | 1.38% | 50.20% | 33,425 |
 | Terrorblade | 1.29% | 54.70% | 9,983 |
 | Slardar | 1.17% | 45.50% | 62,541 |
 | Faceless Void | 1.13% | 51.50% | 58,956 |
 | Drow Ranger | 1.09% | 45.67% | 84,446 |
 | Dragon Knight | 1.09% | 49.59% | 32,798 |
 | Kunkka | 1.09% | 46.62% | 41,657 |
 | Enigma | 1.06% | 49.95% | 19,476 |
 | Primal Beast | 1.05% | 51.16% | 24,232 |
 | Luna | 0.98% | 49.39% | 62,703 |
 | Gyrocopter | 0.94% | 51.86% | 30,111 |
 | Lich | 0.89% | 47.15% | 48,510 |
 | Templar Assassin | 0.89% | 54.60% | 29,109 |
 | Pangolier | 0.86% | 54.24% | 22,782 |
 | Slark | 0.85% | 51.19% | 53,187 |
 | Dark Seer | 0.83% | 46.80% | 13,183 |
 | Medusa | 0.79% | 47.13% | 25,412 |
 | Sand King | 0.76% | 46.81% | 33,336 |
 | Mars | 0.75% | 52.86% | 36,647 |
 | Hoodwink | 0.74% | 49.33% | 82,208 |
 | Queen of Pain | 0.73% | 52.19% | 32,951 |
 | Warlock | 0.60% | 46.37% | 35,662 |
 | Death Prophet | 0.59% | 47.56% | 23,013 |
 | Beastmaster | 0.58% | 53.30% | 6,482 |
 | Bounty Hunter | 0.58% | 49.65% | 50,625 |
 | Mirana | 0.56% | 51.30% | 38,540 |
 | Dawnbreaker | 0.55% | 49.88% | 27,621 |
 | Treant Protector | 0.53% | 47.52% | 21,007 |
 | Marci | 0.53% | 49.81% | 37,252 |
 | Ursa | 0.52% | 50.51% | 41,168 |
 | Elder Titan | 0.48% | 49.80% | 8,690 |
 | Shadow Fiend | 0.47% | 50.22% | 70,506 |
 | Razor | 0.47% | 49.52% | 48,401 |
 | Nature's Prophet | 0.42% | 53.08% | 71,091 |
 | Enchantress | 0.38% | 54.71% | 22,808 |
 | Sniper | 0.36% | 48.95% | 97,920 |
 | Tusk | 0.35% | 53.99% | 26,903 |
 | Muerta | 0.35% | 52.20% | 18,993 |
 | Snapfire | 0.29% | 53.35% | 31,059 |
 | Ogre Magi | 0.23% | 47.44% | 82,739 |
 | Spirit Breaker | 0.22% | 49.46% | 73,174 |
 | Alchemist | 0.20% | 50.88% | 17,633 |
 | Techies | 0.18% | 50.48% | 50,085 |
 | Chen | 0.17% | 55.31% | 5,643 |
 | Vengeful Spirit | 0.17% | 47.69% | 77,139 |
 | Naga Siren | 0.15% | 52.49% | 13,926 |
 | Lone Druid | 0.11% | 49.85% | 8,447 |
 | Undying | 0.11% | 47.12% | 37,268 |
 | Outworld Destroyer | 0.03% | 48.73% | 29,654 |
 | Witch Doctor | -0.01% | 46.39% | 96,003 |
 | Rubick | -0.03% | 54.31% | 63,850 |
 | Jakiro | -0.08% | 47.26% | 65,584 |
 | Bristleback | -0.15% | 48.16% | 60,717 |
 | Riki | -0.16% | 48.42% | 44,394 |
 | Dazzle | -0.18% | 49.31% | 55,426 |
 | Morphling | -0.21% | 52.47% | 49,963 |
 | Lion | -0.23% | 52.62% | 111,172 |
 | Phantom Assassin | -0.25% | 51.59% | 91,936 |
 | Silencer | -0.38% | 48.18% | 39,005 |
 | Shadow Shaman | -0.39% | 47.32% | 74,712 |
 | Pugna | -0.42% | 51.54% | 27,176 |
 | Disruptor | -0.46% | 47.21% | 65,418 |
 | Leshrac | -0.49% | 45.60% | 32,765 |
 | Bane | -0.53% | 49.48% | 29,709 |
 | Nyx Assassin | -0.54% | 48.76% | 39,939 |
 | Venomancer | -0.54% | 46.93% | 55,022 |
 | Phantom Lancer | -0.54% | 48.25% | 35,205 |
 | Skywrath Mage | -0.57% | 50.32% | 52,937 |
 | Tiny | -0.69% | 53.34% | 34,117 |
 | Juggernaut | -0.70% | 50.23% | 62,420 |
 | Omniknight | -0.74% | 51.63% | 32,566 |
 | Centaur Warrunner | -0.74% | 48.81% | 37,313 |
 | Bloodseeker | -0.77% | 48.41% | 27,397 |
 | Tidehunter | -0.79% | 50.95% | 23,908 |
 | Visage | -0.81% | 50.97% | 9,025 |
 | Wraith King | -0.85% | 47.64% | 47,812 |
 | Clockwerk | -0.88% | 51.18% | 31,060 |
 | Axe | -0.90% | 46.93% | 90,709 |
 | Phoenix | -0.91% | 52.24% | 18,443 |
 | Legion Commander | -0.92% | 50.48% | 71,393 |
 | Pudge | -0.93% | 49.24% | 164,957 |
 | Necrophos | -0.93% | 48.08% | 55,694 |
 | Brewmaster | -0.94% | 50.71% | 9,583 |
 | Grimstroke | -0.96% | 50.88% | 36,554 |
 | Clinkz | -1.11% | 49.20% | 41,013 |
 | Zeus | -1.13% | 47.39% | 86,403 |
 | Meepo | -1.19% | 48.57% | 17,682 |
 | Earth Spirit | -1.20% | 52.37% | 19,254 |
 | Storm Spirit | -1.33% | 53.13% | 27,328 |
 | Lifestealer | -1.38% | 47.15% | 75,708 |
 | Invoker | -1.50% | 54.24% | 85,824 |
 | Puck | -1.62% | 53.98% | 34,181 |
 | Night Stalker | -1.76% | 49.86% | 25,913 |
 | Tinker | -1.89% | 53.16% | 26,750 |
 | Spectre | -1.94% | 51.21% | 41,762 |
 | Abaddon | -2.23% | 46.90% | 43,118 |
 | Timbersaw | -2.37% | 52.19% | 46,441 |
| Void Spirit | -2.50% | 53.52% | 17,479 |
| Oracle | -2.56% | 51.05% | 33,408 |
| Arc Warden | -2.60% | 48.99% | 28,313 |
| Shadow Demon | -2.72% | 54.36% | 13,074 |
| Anti-Mage | -3.94% | 50.96% | 72,062 |
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