Necromancer Facts
The Necromancers are masters of Blood and Bone magic, their arsenal includes spells such as Army of the Dead, Blood Golem, Corpse Explosion. Blood Rush, Blood Siphon, Bone Spear, and Decrepify.
They will have access to new Sets and Legendaries, specifically tailored to them, giving them new powers.
They will be available in the "Rise of the Necromancer Pack", which will also include a pet, two new character slots, and two new stash tabs. along with a portrait frame, pennant, banner shape, and sigil.
The pack will release some time in 2017, it will not be free, though the price is unknown as of yet.
Anniversary Dungeon Facts
The Anniversary Dungeon recreates the events, monsters, and levels of the original Diablo inside Diablo III.
Returning Boss Fights include The Butcher, The Skeleton King, Lazarus and Diablo himself.
The Dungeon will be 16 levels deep and accessible for all existing characters.
It will feature special visual and audio filters to invoke all that sweet nostalgia. Here is a little sneak peek of what that will look like.
The Anniversary Dungeon will be included in "The Darkening of Tristram" patch for free. It will be on PTR next week.
Additional Upcoming Changes
There will be two new zones: The Shrouded Moors and the Temple of the Firstborn.
Seasons will be coming to consoles, starting with Season 10, including all Season Journey, Leaderboards and cosmetic rewards.
We will be getting some great Quality of Life changes: An Equipment/Build Manager, and a Crafting Material interface.
Upon reaching 100%, Greater Rifts now open a portal to a smaller Boss room where you fight the Guardian.