As MCV explains, the figure is driven by Dota 2’s community through the sales of The Compendium – the digital offering that gives access to various ways of participating in the tournament. Then Valve has put in $1.6m into the pot to reach the total figure.
So as it stands, the winner of the tournament will receive a guaranteed minimum of $5m at this point, however that amount is expected to still rise.
Wow, just wow. That would make a South African extremely wealthy in Rands… for playing games!