Hell
It's not strictly speaking part of Sanctuary, but it should be mentioned. Little is known about what Hell will bring in Diablo 4, we just know that it can be visited, and that it will most certainly be full of demons. It would not be surprising if developers chose to make it a new form of Nephalem Rifts for example.
Here is the first Diablo 4 gameplay video, unveiled during BlizzCon 2019. It gives you the opportunity to discover the game engine, the Barbarian, Witch and Druid class, the environment, the world, the fights and more.
Our on-site envoys to BlizzCon were able to interview Diablo IV developers as a group with the rest of the press. Here is a summary of the answers and information obtained, crafts, classes, multiplayer, offline, objects, monetization, everything goes through.
