This document discusses Blizzard Entertainment, a major video game developer and publisher. It provides an overview of Blizzard's key games like Hearthstone, Overwatch, and the upcoming Diablo Immortal. It also discusses Blizzard's long-lasting games, focus on iteration and polish, major competitions, and unique features such as custom games, esports, and the Blizzcon convention. The document considers whether Blizzard is poised for continued growth or if no company can remain king forever in the competitive gaming industry.