The best hero of The International 2023 with a 100% win rate has been named.

Storm Spirit became the only hero to exhibit a 100% win rate among the heroes picked in 5 or more matches at The International 2023.
This statistic is presented on the Spectral.gg website.
Compilation of heroes with the best win rates at The International 2023:
Storm Spirit – 100%
Night Stalker – 86%
Undying – 75%
Chen – 75%
It is worth noting that one of the reasons for such a high win rate is that these heroes were picked in fewer than 10 matches. Nevertheless, they performed exceptionally well during the matches, leading their teams to victory.