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 | |
|---|---|---|---|
 | Sven | 2.81% | 50.41% |
 | Underlord | 2.79% | 44.89% |
 | Troll Warlord | 2.76% | 44.52% |
 | Monkey King | 2.62% | 52.77% |
 | Ancient Apparition | 2.61% | 46.20% |
| Hero | AdvantageAdv. | Hero Win Rate | |
|---|---|---|---|
 | Anti-Mage | 3.67% | 50.74% |
 | Void Spirit | 3.00% | 53.87% |
 | Arc Warden | 2.77% | 49.55% |
 | Oracle | 2.74% | 51.00% |
 | Spectre | 2.30% | 51.52% |
| Hero | DisadvantageDis. | IoHero Win Rate | Matches Played | |
|---|---|---|---|---|
| Sven | 2.81% | 50.41% | 20,529 |
| Underlord | 2.79% | 44.89% | 17,089 |
| Troll Warlord | 2.76% | 44.52% | 37,409 |
| Monkey King | 2.62% | 52.77% | 41,912 |
| Ancient Apparition | 2.61% | 46.20% | 39,815 |
 | Broodmother | 2.26% | 55.40% | 14,210 |
 | Dark Willow | 2.12% | 49.04% | 26,497 |
 | Crystal Maiden | 1.99% | 47.94% | 69,131 |
 | Windranger | 1.83% | 51.37% | 64,324 |
 | Huskar | 1.78% | 49.17% | 25,459 |
 | Earthshaker | 1.76% | 48.13% | 55,898 |
 | Winter Wyvern | 1.69% | 48.12% | 30,703 |
 | Weaver | 1.60% | 51.08% | 40,911 |
 | Kunkka | 1.59% | 46.36% | 39,626 |
 | Keeper of the Light | 1.58% | 52.83% | 24,946 |
 | Magnus | 1.54% | 51.24% | 56,828 |
 | Doom | 1.53% | 50.30% | 22,023 |
 | Lycan | 1.51% | 49.19% | 6,270 |
 | Batrider | 1.47% | 56.61% | 10,886 |
 | Lina | 1.45% | 52.17% | 51,016 |
 | Enigma | 1.41% | 49.65% | 18,772 |
 | Slardar | 1.35% | 45.65% | 57,761 |
 | Terrorblade | 1.15% | 54.61% | 9,913 |
 | Chaos Knight | 1.12% | 50.49% | 29,468 |
 | Sand King | 1.07% | 46.50% | 31,100 |
 | Viper | 1.06% | 46.81% | 43,413 |
 | Lich | 1.06% | 47.03% | 45,617 |
 | Ursa | 0.99% | 50.10% | 38,302 |
 | Gyrocopter | 0.97% | 51.88% | 28,844 |
 | Luna | 0.95% | 49.51% | 58,919 |
 | Medusa | 0.95% | 47.06% | 23,508 |
 | Mars | 0.90% | 52.75% | 34,457 |
 | Faceless Void | 0.87% | 51.77% | 57,919 |
 | Ember Spirit | 0.85% | 52.76% | 20,664 |
 | Pangolier | 0.85% | 54.44% | 20,162 |
 | Dark Seer | 0.84% | 46.69% | 12,747 |
 | Enchantress | 0.83% | 54.32% | 19,763 |
 | Dragon Knight | 0.81% | 49.95% | 32,348 |
 | Marci | 0.81% | 49.56% | 33,825 |
 | Slark | 0.80% | 51.13% | 51,327 |
 | Primal Beast | 0.73% | 51.55% | 23,599 |
 | Death Prophet | 0.71% | 47.40% | 21,397 |
 | Queen of Pain | 0.69% | 52.24% | 30,682 |
 | Mirana | 0.69% | 51.18% | 35,977 |
 | Drow Ranger | 0.67% | 46.01% | 78,680 |
 | Beastmaster | 0.62% | 53.60% | 6,123 |
 | Vengeful Spirit | 0.62% | 47.41% | 67,264 |
 | Hoodwink | 0.59% | 49.55% | 75,223 |
 | Bounty Hunter | 0.56% | 49.68% | 47,422 |
 | Templar Assassin | 0.55% | 54.98% | 27,026 |
 | Snapfire | 0.47% | 53.33% | 28,630 |
 | Nature's Prophet | 0.38% | 53.17% | 66,084 |
 | Techies | 0.38% | 50.25% | 47,460 |
 | Razor | 0.38% | 49.69% | 44,889 |
 | Elder Titan | 0.32% | 50.01% | 8,217 |
 | Alchemist | 0.32% | 50.91% | 17,644 |
 | Shadow Fiend | 0.27% | 50.59% | 65,351 |
 | Sniper | 0.26% | 49.25% | 93,831 |
 | Warlock | 0.24% | 46.73% | 32,957 |
 | Treant Protector | 0.23% | 47.96% | 20,319 |
 | Rubick | 0.21% | 54.14% | 61,331 |
 | Muerta | 0.20% | 52.39% | 17,984 |
 | Witch Doctor | 0.15% | 46.40% | 91,283 |
 | Tusk | 0.11% | 54.18% | 25,223 |
 | Ogre Magi | 0.08% | 47.72% | 77,260 |
 | Undying | 0.07% | 47.44% | 35,517 |
 | Spirit Breaker | 0.05% | 49.66% | 68,630 |
 | Outworld Destroyer | 0.05% | 48.88% | 28,748 |
 | Jakiro | 0.03% | 47.35% | 61,109 |
 | Dawnbreaker | -0.01% | 50.50% | 25,255 |
 | Chen | -0.03% | 55.30% | 5,358 |
 | Phantom Assassin | -0.03% | 51.47% | 84,112 |
 | Naga Siren | -0.03% | 52.56% | 13,397 |
 | Riki | -0.08% | 48.34% | 37,988 |
 | Bristleback | -0.12% | 48.18% | 52,162 |
 | Lion | -0.21% | 52.61% | 109,147 |
 | Silencer | -0.26% | 48.20% | 37,832 |
 | Morphling | -0.27% | 52.57% | 50,112 |
 | Shadow Shaman | -0.28% | 47.38% | 70,743 |
 | Dazzle | -0.29% | 49.50% | 51,604 |
 | Nyx Assassin | -0.35% | 48.61% | 37,380 |
 | Bane | -0.36% | 49.43% | 27,195 |
 | Clockwerk | -0.44% | 50.67% | 27,608 |
 | Lone Druid | -0.45% | 50.66% | 8,133 |
 | Disruptor | -0.48% | 47.38% | 59,177 |
 | Venomancer | -0.50% | 47.20% | 49,083 |
 | Leshrac | -0.51% | 45.98% | 32,214 |
 | Skywrath Mage | -0.60% | 50.50% | 46,205 |
 | Meepo | -0.63% | 48.14% | 15,720 |
 | Axe | -0.64% | 46.78% | 84,914 |
 | Phantom Lancer | -0.66% | 48.62% | 32,068 |
 | Bloodseeker | -0.67% | 48.35% | 24,877 |
 | Brewmaster | -0.70% | 50.73% | 8,998 |
 | Visage | -0.70% | 51.04% | 8,117 |
 | Pugna | -0.73% | 51.95% | 26,745 |
 | Centaur Warrunner | -0.75% | 48.88% | 35,432 |
 | Tiny | -0.79% | 53.48% | 33,175 |
 | Omniknight | -0.86% | 51.78% | 31,255 |
 | Pudge | -0.88% | 49.39% | 154,386 |
 | Legion Commander | -0.97% | 50.64% | 65,947 |
 | Necrophos | -0.98% | 48.23% | 51,982 |
 | Juggernaut | -0.99% | 50.58% | 58,531 |
 | Earth Spirit | -1.06% | 52.50% | 17,163 |
 | Tidehunter | -1.08% | 51.18% | 22,162 |
 | Zeus | -1.18% | 47.60% | 79,585 |
 | Tinker | -1.19% | 52.81% | 21,759 |
 | Phoenix | -1.19% | 52.61% | 17,100 |
 | Storm Spirit | -1.23% | 53.25% | 25,906 |
 | Clinkz | -1.25% | 49.39% | 37,110 |
 | Lifestealer | -1.26% | 47.45% | 69,102 |
 | Grimstroke | -1.27% | 51.32% | 34,888 |
 | Invoker | -1.30% | 53.91% | 80,654 |
 | Night Stalker | -1.39% | 49.64% | 20,073 |
 | Wraith King | -1.41% | 48.40% | 43,098 |
 | Puck | -1.94% | 54.37% | 33,979 |
 | Timbersaw | -1.96% | 51.88% | 42,520 |
 | Shadow Demon | -2.02% | 53.68% | 12,321 |
 | Abaddon | -2.21% | 46.97% | 39,035 |
| Spectre | -2.30% | 51.52% | 38,118 |
| Oracle | -2.74% | 51.00% | 30,946 |
| Arc Warden | -2.77% | 49.55% | 27,566 |
| Void Spirit | -3.00% | 53.87% | 17,356 |
| Anti-Mage | -3.67% | 50.74% | 67,684 |
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