In those 100 games, 104 heroes were picked, and 20 heroes went unpicked.
Like every tournament, the TI12 group stages also had certain heroes with very high contest rates.
But the overall distribution of heroes seems to indicate the meta is relatively more diverse than in recent tournaments.
Lets take a look at the team and hero statistics for the TI12 group stage games.
All data has been taken fromdatDota.
Not every team is gunning for the same heroes, which definitely makes for interesting drafts.
Come to the playoff games, these kind of niche picks will be seen more often.
Sven is another hero whose win rate has been impacted by the nerfs in Dota 2 patch 7.34c.