League of Explorers
League of Explorers is the third Hearthstone Adventure. It consists of four wings where players battle against new opponents and bosses. The first wing, Temple of Orsis, was released on November 12, 2015 and the last wing was available from December 10, 2015 onwards.  
League of Explorers Hearthstone Adventure consists of four different wings where players are accompanied by the members of the League. Completing each wing also opens two or three Class Challenges where players battle the enemies of the wing with special pre-made decks.
League of Explorers introduces a new kind of single player challenge, an Escape. Instead of battling against an opponent just as in regular Hearthstone match players have to survive a set number of turns to win the challenge.
Temple of Orsis
In the Temple of Orsis player is introduced to Reno Jackson, a careless adventurer.
|Zinaar||Djinni of Zephyrs and Jeweled Scarab|
|Sun Raider Phaerix||Anubisath Sentinel and Summoning Stone|
|Temple Escape||Rumbling Elemental and Sacred Trial|
In the second wing players have a dwarf archaeologist Brann Bronzebeard to guide them through Uldaman.
|Chieftain Scarvash||Tunnel Trogg and Ethereal Conjurer|
|Mine Cart||Tomb Spider and Unearthed Raptor|
|Archaedas||Fierce Monkey and Reliquary Seeker|
The Ruined City
In The Ruined City players join the gentleman Murloc Sir Finley Mrrgglton on an expedition to habitat of Nagas and Murlocs.
|Lord Slitherspear||Huge Toad and Gorillabot A-3|
|Giantfin||Anyfin Can Happen and Murloc Tinyfin|
|Lady Nazj'ar||Pit Snake and Naga Sea Witch|
The Hall of Explorers
In the final wing of League of Explorers players return to The Hall of Explorers to unite the pieces of the Staff of Origination with Elise Starseeker.
|Skelesaurus Hex||Fossilized Devilsaur and Raven Idol|
|The Steel Sentinel||Cursed Blade and Museum Curator|
|Arch-Thief Rafaam||Curse of Rafaam and Wobbling Runts|
|Rafaam Unleashed||Desert Camel and Eerie Statue|
Similarly to earlier Hearthstone Adventures League of Explorers contains nine class challenges where players take on familiar opponents with new pre-set decks. After beating a class challenge awards players are
|Warlock||Sun Raider Phaerix||Dark Peddler|
|Druid||Chieftain Scarvash||Mounted Raptor|
|Paladin||Archeadas||Keeper of Uldaman|
|Hunter||Lord Slitherspear||Dart Trap|
|Shaman||Giantfin||Everyfin is Awesome|
|Rogue||Skelesaurus Hex||Tomb Pillager|
|Mage||The Steel Sentinel||Animated Armor|
In total there is 43 new cards, five of which are legendary.
League of Explorers adds a new Keyword, Discover, into the game. Triggering the Discover causes player to be presented three random cards to choose from to his or her hand.
League of Explorers added two new interactive game boards to the board pool.
- "The League of Explorers: Temple of Orsis - Now Open!". eu.battle.net. 2015-11-12. Retrieved 2016-05-21.
- "The League of Explorers: The Hall of Explorers – Now Live!". eu.battle.net. 2015-12-10. Retrieved 2016-05-21.