During the Blizzcon 2016 keynote presentation, Blizzard announced the latest additions to Heroes of the Storm. The MOBA-style game will add two new heroes from Warcraft: Varian Wrynn and Ragnaros.
Varian Wrynn (spoilers!) recently died in the beginning of World of Warcraft's Legion expansion, so it's the right time for him to appear in the Nexus. Varian is the game's first multi-class hero, being either a shield-wielding Warrior or a dual-wielding Assassin. Players determine which class Varian adopts during the course of the match by choosing different talents.
Ragnaros is the raid boss of WoW's historic Molten Core raid. The Fire Lord is an Assassin and minion murderer, clearing entire lanes with lava flows. Ragnaros also has the ability to empower a Fort or Keep, taking over the structure and gaining new abilities to fortify against a push.
Heroes of the Storm will also be getting a new map: Blackheart's Revenge. This is the first battleground to bring asymmetrical play to Heroes of the Storm. Only one team has a Core in this match type. That team has to gather cannonballs around the map, load up the cannons, and attempt to sink Blackheart's ship. The opposing team has to keep the ship afloat as it moves towards the Core to destroy it.
In honor of the new heroes and map, Heroes of the Storm will offer up the Nexus Challenge. Starting on November 15 and stretching until January 4, playing 15 matches of Ranked, Unranked Draft, Quick Match, or Co-op vs. A.I with a friend will unlock an Oni Genji skin, spray, and player icon in Overwatch, as well as Zarya and the Oni Genji Portrait in Heroes of the Storm. Take up to 30 matches together to unlock Auriel, Greymane, Kerrigan, Li-Ming, the Orochi Hovercycle Mount, and a 30-day Stimpack.