Boss battles are coming to Minecraft: Windows 10 Edition beta, Minecraft: Pocket Edition, and Minecraft: Gear VR Edition for the first time in an update scheduled for launch on October 18. With the Boss Update comes a battle with the Wither, the Elder Guardian, and explorable Ocean Monuments. The addition of Add-Ons will also allow players to tweak the Minecraft experience by editing text files. According to the Minecraft team, you can use Add-Ons to adjust AI or customize mobs and other elements.