Watch Blizzard's Hearthstone World Championships live right now

Some of the best digital-card battlers in the world are going at it to take the biggest piece of a $100,000 prize pool.

Publisher Blizzard’s BlizzCon event is happening right now in Anaheim, Calif., and the company is hosting the big Hearthstone World Championships throughout the weekend. After going through the qualifying rounds, the 12 top players from the Americas, Europe, China, Korea, and Taiwan will fight it for the title. The tournament will culminate in the final 1-on-1 battle tomorrow night.