Last year, Valve saw just over $10 million raised for The International, but this year is going to be much bigger for DOTA 2. The prize pool has spiked, with over $15 million raised so far.
The prize pool for The International continues to swell, with it starting with just $2.8 million in 2013. Last year it reached $10.9 million, and this year it's over $15 million. This means that DOTA 2 fans and players are going to be in for the biggest DOTA 2 tournament yet.