Io — Dota 2 hero

Io

UniversalRangedSupportEscapeNuker

Io Pro Match Statistics

51.4%Win Rate
6.3%Pick Rate
17.2%Ban Rate
-22.7% Trend

How to Counter Io in Dota 2

The best counters to Io in professional Dota 2 matches are Rubick (35.3% win rate across 17 games), Dark Willow (40% win rate across 10 games), Tusk (41.7% win rate across 12 games). As a nuker, Io struggles against heroes with high magic resistance, spell immunity, or the ability to close distance before spells are cast. Picking Rubick into Io provides the strongest statistical counter advantage in the current pro meta. Dark Willow is another reliable counter pick with a 40% win rate over 10 professional games. Conversely, Io performs best against Disruptor (80% win rate), so avoid picking Disruptor into Io when possible.

Heroes Io Is Worst Against

All heroes Io is worst against — full Dota 2 counter matchup data

Rubick counters Io — 35.3% win rate in 17 professional Dota 2 matchesRubick17 games35.3%35.3%Dark Willow counters Io — 40% win rate in 10 professional Dota 2 matchesDark Willow10 games40%40%Tusk counters Io — 41.7% win rate in 12 professional Dota 2 matchesTusk12 games41.7%41.7%Phoenix counters Io — 42.9% win rate in 14 professional Dota 2 matchesPhoenix14 games42.9%42.9%Void Spirit counters Io — 50% win rate in 14 professional Dota 2 matchesVoid Spirit14 games50%50%Queen of Pain counters Io — 53.8% win rate in 13 professional Dota 2 matchesQueen of Pain13 games53.8%53.8%Muerta counters Io — 69.2% win rate in 13 professional Dota 2 matchesMuerta13 games69.2%69.2%Disruptor counters Io — 80% win rate in 10 professional Dota 2 matchesDisruptor10 games80%80%

Io counter data: 8 hero matchups analyzed across 103 professional Dota 2 games. Win rates reflect how Io performs against each opponent in recent competitive matches.

Heroes Io Is Best Against

All heroes Io is best against — complete Dota 2 favorable matchup list

Io dominates Disruptor — 80% win rate across 10 pro Dota 2 gamesDisruptor10 games80%80%Io dominates Muerta — 69.2% win rate across 13 pro Dota 2 gamesMuerta13 games69.2%69.2%Io dominates Queen of Pain — 53.8% win rate across 13 pro Dota 2 gamesQueen of Pain13 games53.8%53.8%Io dominates Void Spirit — 50% win rate across 14 pro Dota 2 gamesVoid Spirit14 games50%50%Io dominates Phoenix — 42.9% win rate across 14 pro Dota 2 gamesPhoenix14 games42.9%42.9%Io dominates Tusk — 41.7% win rate across 12 pro Dota 2 gamesTusk12 games41.7%41.7%Io dominates Dark Willow — 40% win rate across 10 pro Dota 2 gamesDark Willow10 games40%40%Io dominates Rubick — 35.3% win rate across 17 pro Dota 2 gamesRubick17 games35.3%35.3%

Io favorable matchups: 8 heroes Io dominates, tracked from 103 professional games. Higher win rate indicates a stronger advantage for Io.