BlizzCon 2015 is getting underway today, and we've got a full line-up of StarCraft II, World of Warcraft, Hearthstone, and Heroes of the Storm esports action ahead.

Join hosts Sean “Day[9]” Plott and William “Chobra” Cho, plus an awesome lineup of casters, for the final matches in the World Championship Series. The best StarCraft II players in the world are competing for $250,000 and the title of WCS Global Champion, and you’ll get to see it all live with streams of the matchups, player profiles and brackets!

Casters Sid ‘Supatease’ Compston, Elliott ‘Venruki’ Venczel, Jared ‘vhell’ Coulston, Jackson ‘Bajheera’ Bliton and and Josh "Lore" Allen will be on hand to take you through the final rounds of the 2015 World of Warcraft 3v3 Arena World Championship. It all starts today at 20:45 CET and wraps the day up with the Semifinals at 22:45 CET. Check out the schedule, bracket information, and Live Streams here.

Host Rachel ‘Seltzer’ Quirico will join Marcin ‘Gnimsh’ Filipowicz, Dan ‘Frodan’ Chou, Jason ‘Amaz’ Chan, Robert “Whirthun” Wing, Brian Kibler, Janne “Savjz” Mikkonen, Octavian “Kripparrian” Morosan, George “Hyped” Maganzini, and Andrey “Reynad” Yanyuk for the call as the final eight competitors bring their best decks to the quarterfinals of a single-elimination bracket that will ultimately determine the $100,000 grand champion. Click here for complete brackets, VODs, information about the tournament, player profiles, and the live stream in fourteen languages.

After an exhilarating start to the Group Stages, the BlizzCon World Championships will conclude this weekend with intense matches between eight of the best teams from around the world. Watch and follow along with our casters and analysts as they guide you through the remaining Group Stage matches, Semi-finals, and Grand Finals matches. With pride and a $500,000 prize pool on the line, you can be sure that teams will be bringing their absolute A game this weekend.