The term beast mode  has become common slang, but what does it really mean? According to Urban Dictionary, beast mode is defined as the mode that you switch into when doing hardcore activities; having beast-like characteristics.  Most often, it's used to describe someone who works at high intensity in the gym.

slang. : an extremely aggressive or energetic style or manner that someone (such as an athlete) adopts temporarily (as to overpower an opponent in a fight or competition)

Microsoft Now Owns Activision Blizzard: What It Means for Your Favorite Games. Overwatch, Call of Duty and World of Warcraft are now all owned by Microsoft. Here's how the change could affect the PC, console and mobile games you love.

In the simplest terms, Microsoft now owns the rights to a lot of really big, really profitable IPs like Call of Duty from the Activision fold, Diablo and Overwatch from Blizzard, and Activision's mobile publisher King Games.