BlizzCon is a big deal if you’re a fan of all things Blizzard, and the weekend event kicked off with a traditional opening ceremony full of announcements and reveals for the company’s biggest games–and a few surprises! The biggest of these included the announcement that StarCraft will return in 2030, but this time, Blizzard is switching up genres as the sci-fi game goes from real-time strategy to open-world shooter. Diablo 5 was also announced, and World of Warcraft fans were…