Matchup data updated Sep 26, 2026
B
Who Beats Io
Show how this score was calculated.Hide calculation.Who beats Io at All RanksAncient Apparition
62.3%+6.3212
Visage
67.7%+5.693
Bounty Hunter
57.1%+4.2289
Slark
56.4%+3.9303
Dazzle
56.5%+3.3200
Arc Warden
55.9%+3.2245
Nyx Assassin
56.5%+3.1177
Chaos Knight
58.7%+3.0104
Brewmaster
59.8%+3.087
Bloodseeker
57.9%+2.8107
Io Counters
Show how this score was calculated.Hide calculation.Io counters at All RanksDoom
34.4%-7.5183
Sand King
34.9%-5.2106
Enchantress
33.8%-4.474
Puck
36.6%-4.393
Ringmaster
42.2%-4.2232
Hoodwink
44.1%-4.2487
Night Stalker
43.0%-4.1286
Tinker
42.8%-3.8229
Zeus
43.8%-3.7304
Nature's Prophet
43.2%-3.7234
Top Allies for Io
Show how this score was calculated.Hide calculation.Top allies for Io at All RanksPrimal Beast
62.4%+12.4109Nyx Assassin
60.2%+10.2113Legion Commander
59.2%+9.2417Vengeful Spirit
58.2%+8.2239 Positions Played
Positions: patch 7.40
- 1 Carry39.0% WR3,630 matches
- 2 Mid45.0% WR8,655 matches
- 3 Off42.0% WR4,341 matches
- 4 Soft50.8% WR51,896 matches
- 5 Hard51.1% WR105,268 matches
Matchup data updated Sep 26, 2026
B
Who Beats Io
Show how this score was calculated.Hide calculation.Who beats Io at Herald–GuardianNecrophos
Few games72.7%+2.222
Ogre Magi
60.8%+2.251
Pudge
60.0%+2.255
Techies
58.8%+1.851
Spectre
Few games64.3%+1.828
Vengeful Spirit
Few games62.5%+1.732
Undying
Few games62.5%+1.732
Ancient Apparition
Few games69.2%+1.213
Lycan
Few games100.0%+1.04
Slark
Few games70.0%+1.010
Io Counters
Show how this score was calculated.Hide calculation.Io counters at Herald–GuardianSkywrath Mage
Few games30.3%-2.833
Silencer
Few games10.0%-1.910
Shadow Fiend
Few games39.0%-1.941
Bristleback
Few games36.7%-1.730
Ursa
Few games0.0%-1.56
Huskar
Few games28.6%-1.414
Magnus
Few games33.3%-1.418
Hoodwink
Few games40.6%-1.332
Sand King
Few games30.8%-1.213
Kez
Few games33.3%-1.215
Top Allies for Io
Show how this score was calculated.Hide calculation.Top allies for Io at Herald–GuardianEnchantress
Few games85.7%+35.77Brewmaster
Few games83.3%+33.36Pangolier
Few games83.3%+33.36Rubick
Few games80.0%+30.015Viper
Few games78.9%+28.919Nyx Assassin
Few games75.0%+25.04Ringmaster
Few games75.0%+25.04Sven
Few games71.4%+21.414Visage
Few games71.4%+21.47Dragon Knight
Few games69.2%+19.213 Positions Played
Positions: patch 7.40
- 1 Carry40.8% WR1,174 matches
- 2 Mid46.1% WR2,334 matches
- 3 Off39.5% WR1,255 matches
- 4 Soft49.8% WR16,206 matches
- 5 Hard50.2% WR29,543 matches
Matchup data updated Sep 26, 2026
A
Who Beats Io
Show how this score was calculated.Hide calculation.Who beats Io at Crusader–ArchonAncient Apparition
71.4%+5.163
Drow Ranger
56.3%+2.6142
Witch Doctor
54.9%+2.5204
Kunkka
Few games70.4%+2.427
Primal Beast
Few games67.7%+2.431
Mirana
56.8%+2.295
Silencer
58.0%+2.169
Spirit Breaker
54.4%+2.0160
Magnus
55.3%+1.9114
Dawnbreaker
55.3%+1.9114
Io Counters
Show how this score was calculated.Hide calculation.Io counters at Crusader–ArchonRubick
40.9%-4.0154
Ringmaster
33.3%-3.654
Necrophos
40.2%-3.5112
Anti-Mage
43.6%-3.2204
Undying
42.8%-3.0145
Spectre
38.8%-2.867
Lina
43.9%-2.7157
Winter Wyvern
39.3%-2.356
Nature's Prophet
41.6%-2.377
Tinker
42.0%-2.169
Top Allies for Io
Show how this score was calculated.Hide calculation.Top allies for Io at Crusader–ArchonPrimal Beast
Few games69.7%+19.733Medusa
Few games69.6%+19.623Nyx Assassin
Few games69.4%+19.436Vengeful Spirit
68.4%+18.476Monkey King
Few games66.7%+16.727Enigma
Few games65.4%+15.426Legion Commander
64.3%+14.3126Gyrocopter
Few games64.0%+14.025Centaur Warrunner
63.5%+13.552 Positions Played
Positions: patch 7.40
- 1 Carry34.0% WR1,044 matches
- 2 Mid45.3% WR3,185 matches
- 3 Off41.2% WR1,313 matches
- 4 Soft50.6% WR19,217 matches
- 5 Hard50.7% WR40,450 matches
Matchup data updated Sep 26, 2026
B
Who Beats Io
Show how this score was calculated.Hide calculation.Who beats Io at Legend–AncientVisage
Few games76.2%+4.542
Dazzle
64.0%+4.286
Bounty Hunter
60.0%+3.5110
Dark Willow
61.5%+3.278
Lone Druid
63.3%+3.160
Meepo
Few games73.3%+3.030
Outworld Destroyer
55.9%+2.8179
Crystal Maiden
55.4%+2.7204
Ancient Apparition
58.1%+2.693
Arc Warden
56.5%+2.4115
Io Counters
Show how this score was calculated.Hide calculation.Io counters at Legend–AncientTinker
37.6%-4.2101
Clinkz
Few games29.2%-4.048
Windranger
42.2%-4.0206
Doom
37.0%-3.781
Spirit Breaker
43.0%-3.5200
Lina
44.2%-3.4283
Zeus
41.0%-3.3117
Viper
37.5%-3.372
Ringmaster
39.8%-3.293
Hoodwink
43.6%-3.2195
Top Allies for Io
Show how this score was calculated.Hide calculation.Top allies for Io at Legend–AncientChen
Few games100.0%+50.03Brewmaster
Few games68.4%+18.438Sand King
Few games67.9%+17.928Clinkz
Few games66.7%+16.736Abaddon
Few games66.7%+16.736Primal Beast
Few games65.1%+15.143Riki
Few games63.6%+13.633Puck
Few games63.0%+13.027 Positions Played
Positions: patch 7.40
- 1 Carry39.4% WR653 matches
- 2 Mid42.1% WR1,952 matches
- 3 Off42.4% WR899 matches
- 4 Soft50.8% WR10,582 matches
- 5 Hard52.2% WR23,802 matches
Matchup data updated Sep 26, 2026
B
Who Beats Io
Show how this score was calculated.Hide calculation.Who beats Io at Divine–ImmortalEnigma
63.2%+2.957
Phantom Lancer
57.4%+2.7115
Bounty Hunter
58.2%+2.379
Dazzle
Few games64.7%+2.134
Arc Warden
Few games63.9%+2.136
Visage
Few games69.6%+2.023
Legion Commander
57.4%+1.968
Slark
56.0%+1.991
Dragon Knight
54.9%+1.8113
Viper
Few games64.3%+1.828
Io Counters
Show how this score was calculated.Hide calculation.Io counters at Divine–ImmortalDoom
29.4%-5.268
Mirana
38.7%-4.0111
Night Stalker
35.6%-3.973
Sand King
Few games17.4%-3.423
Ursa
35.2%-3.154
Shadow Fiend
40.7%-2.991
Pangolier
36.5%-2.852
Phantom Assassin
37.5%-2.756
Grimstroke
40.5%-2.779
Hoodwink
42.9%-2.6119
Top Allies for Io
Show how this score was calculated.Hide calculation.Top allies for Io at Divine–ImmortalWarlock
Few games73.3%+23.315Abaddon
Few games72.7%+22.711Phantom Assassin
Few games65.6%+15.632Keeper of the Light
Few games64.9%+14.937Death Prophet
Few games64.7%+14.717Arc Warden
Few games64.7%+14.734Bloodseeker
Few games62.5%+12.58Legion Commander
62.3%+12.369 Positions Played
Positions: patch 7.40
- 1 Carry45.9% WR290 matches
- 2 Mid45.4% WR878 matches
- 3 Off45.3% WR397 matches
- 4 Soft53.1% WR3,455 matches
- 5 Hard54.5% WR9,250 matches
Bracket Divergence
- Lycan only ranks as a top counter to Io in Herald–Guardian. Matchup data updated Sep 26, 2026
- Meepo only ranks as a top counter to Io in Legend–Ancient. Matchup data updated Sep 26, 2026
- Necrophos only ranks as a top counter to Io in Herald–Guardian. Matchup data updated Sep 26, 2026
- Kunkka only ranks as a top counter to Io in Crusader–Archon. Matchup data updated Sep 26, 2026
- Primal Beast only ranks as a top counter to Io in Crusader–Archon. Matchup data updated Sep 26, 2026
About Io
Ancient Apparition is Io's strongest counter, with a +12.30 raw advantage.
Io is most contested in Legend–Ancient and least contested in All Ranks.
Lycan only shows up as a top counter to Io in Herald–Guardian.
Leshrac is Io's strongest ally, with a +17.30 raw synergy advantage.
