• Visitors try out the massively multiplayer online role-playing game 'World Of Warcraft' at the Blizzard Entertainment stand at the Gamescom 2015 gaming trade fair during the media day on August 5, 2015.

Visitors try out the massively multiplayer online role-playing game 'World Of Warcraft' at the Blizzard Entertainment stand at the Gamescom 2015 gaming trade fair during the media day on August 5, 2015. (Photo : Sascha Schuermann/Getty Images)

During the annual BlizzCon event, Blizzard has announced the upcoming expansion to their popular digital card game "Heartstone: Heroes of Warcraft."

The expansion will include a single-player adventure titled "The League of Explorers." This is a third for Hearthstone wherein the first two are "Curse of Naxxramas" and "Blackrock Mountain."

Like Us on Facebook

The expansion will feature 45 new cards with a single-player adventure that contains four wings than five, Battle reported.

In a report by TechTimes, the "League of Explorers" will have four new heroes led by league founder Brann Bronzebeard. The dwarf will then be joined by human Reno Jackson, night elf Elise Star seeking and murloc Sir Finley Mugleton.

The quest will begin in search for the artifact called "Staff of Origination." The staff is divided into three parts placed in the first three wings which includes Orsis, Uldaman, and "Stranglethorn Jungle" which the player must obtain. The fourth wing will be at the Hall of Explorers in Ironforge, the dwarven capitol as it was stolen by archeologist by Rafaam.

The "League of Explorers" will also include a new mechanic called Discovery who will have a card similar to Hunter's Tracker's card. The expansion also revealed that Brann Bronzebeard will also have a new set of cards and Elise Starseeker will also have another powerful card.

This new expansion adventure will have new game boards called Excavation board that will feature ancient stone halls of Uldaman and the Hall of Explorers board.

"League of Explorers" will be released on Nov. 12 and all four wings is priced at $19.99, while each wing costs $6.99 or 700 gold.