Io
Win rates
Pub win rate
49.0%
Balanced — viable in the right hands
Pro win rate
100.0%
2 pro picks
Pub pick rate
5.7%
237k picks · all brackets
Pro ban rate
100%
2 pro bans
Win rate by bracket
How the hero performs at each MMR bracket. Use this to gauge difficulty — a hero that peaks at Immortal but dips at Herald is a hard mechanical carry.
| Bracket | MMR | Games | Win rate | |
|---|---|---|---|---|
| Herald | 0–769 | 0 | — | |
| Guardian | 770–1539 | 0 | — | |
| Crusader | 1540–2309 | 0 | — | |
| Archon | 2310–3079 | 0 | — | |
| Legend | 3080–3849 | 0 | — | |
| Ancient | 3850–4619 | 0 | — | |
| Divine | 4620–5620 | 0 | — | |
| Immortal | 5620+ | 0 | — |
Item build
Most-purchased items by game phase, aggregated from 237k public matches. Items with fewer than 1% pick rate are omitted.
Starting
First inventory
18%Branches
16%Tango
10%Ring Of Regen
8%Blood Grenade
8%Ward Dispenser
7%Headdress
Early
~0–10 min
31%Soul Ring
21%Chainmail
7%Bracer
6%Ogre Axe
6%Bottle
6%Null Talisman
Core
~10–25 min
19%Mekansm
16%Holy Locket
- 10%
Ogre Axe
7%Point Booster
7%Ultimate Scepter
6%Blade Of Alacrity
Luxury
25 min+
11%Reaver
10%Heart
10%Black King Bar
7%Glimmer Cape
6%Vladmir
- 5%
Holy Locket
How to play
Io is a Universal hero who scales with every attribute, adapting their item build to whatever the game demands. Built-in escape tools mean you can play aggressively and bail when things go sideways. Your disables and utility are most valuable when enabling your cores to land kills.
Base stats
Ranged · Attack range: 0 (Ranged)
Attributes
Strength
19
+3 / level
Agility
14
+1.6 / level
Intelligence
21
+1.7 / level
FAQ
What is Io's win rate?
Io has a 49.0% pub win rate across 237k games. That's right around the 50% baseline — the hero is balanced, and win rate depends heavily on player skill and team comp.
How popular is Io?
Io is picked in 5.70% of all Dota 2 pub games.
Is Io played in pro Dota?
Yes — Io has a 100.0% win rate across 2 pro picks and a 100% ban rate in professional matches.