Valve have finally released the much awaited IO Arcana. The IO arcana has been a long standing demand of the Dota2 community. During the vote held at International 2016, IO was a close second place in the voting system which saw Juggernaut receive the top prize.
After seeing Io float away with a second-place finish in last year’s hotly-contested final round, we decided this year that the wisp deserved to skip the vote and select its own favored form. And what a heart-warming form it is! Now available to all Battle Pass owners who surpass level 245, the Benevolent Companion Arcana imbues Io with the form and function of the best friend anyone could ask for.
Source : Dota2 website