Io/Counters

Bad against...

 * Reason


 * Reason


 * Reason


 * Reason


 * Reason

Others

 * Entry
 * Entry
 * Entry

Items

 * Entry
 * Entry
 * Entry

Good against...

 * Reason


 * Reason


 * Reason


 * Reason


 * Reason

Others

 * Entry
 * Entry
 * Entry

Works well with...

 * Reason


 * Reason


 * Reason


 * Reason


 * Reason

Others

 * Entry
 * Entry
 * Entry

List of heroes that counter Io, and list of heroes that work well with Io.