Explore data-driven Io mid builds, win rates, and matchup analysis for Dota 2. The optimal build boosts Io's mid win rate by +11.9% over baseline (50.3% → 62.2%).
Io currently sits at B-Tier in the Mid role with a 50.3% win rate in Dota 2 ranked games. A solid, viable pick for this role. Using the optimal mid build provides a +11.9% win rate advantage over the baseline, lifting Io to 62.2%. Recent winning Io mid players average a KDA of 7.8 / 7.4 / 15.5. Permanent upgrades support the core item pickups. The toughest matchups for Io mid are Chaos Knight, Necrophos, Treant Protector — pick into them with caution.
What items Io players buy most often when they win, across all roles. These reflect player picks across all ranked games — not necessarily the optimal build.
Io's win rate when laning against each hero as mid.
The highest win rate Io Mid build achieves a 62.2% win rate. See the full build order — core items and top permanent upgrade — above on this page.
Io Mid currently has a 50.3% win rate in Dota 2, climbing to 62.2% with the recommended build.
The toughest matchups for Io Mid are Chaos Knight (30.8% WR for Io), Necrophos (31.0% WR for Io), Treant Protector (31.6% WR for Io). These heros give Io the hardest time in lane.
Io Mid's recommended permanent upgrade lift the build to 62.2% win rate. See the build display above for the exact picks.
Io is currently a solid, viable pick in the Mid role, sitting at B-Tier with a 50.3% win rate. Near 50% indicates balanced performance.