Hearthstone Update 23.4 Explained

gamerant.com:

Now that the Voyage to the Sunken City set has been available in Hearthstone for a few months, players are ready for the next phase of content. With that in mind, Hearthstone is releasing Patch 23.4, which introduces the «Throne of Tides» Mini-Set, new content for Arena, Battlegrounds, Mercenaries, and Solo Adventures, and a crossover celebration for the release of Diablo Immortal.

The «Throne of Tides» Mini-Set is themed after a showdown between the kraken-like leviathan Ozumat and Neptulon, the elemental lord of water of Warcraft fame. These new Colossal minions are two of the 35 new cards coming to Hearthstone with the new set.

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Ozumat is also coming to the Battlegrounds mode as a new hero. But he’s not the only one–Diablo, the Lord of Terror is coming to Hearthstone Battlegrounds once again for one week only to celebrate the launch of Diablo Immortal.

Hearthstone is getting another Diablo Immortal crossover in the Mercenaries mode. Tyrael, the Archangel of Justice, is being added to the mode as a free Mercenary for all players. He’s not alone–a total of 18 new Mercenaries are coming to the mode, including Azshara and her naga, Maiev, Yrel, and more. The Old God Y’Shaarj is getting a limited-time event like N’Zoth did before him, and 13 new bounties are being added across the existing Darkshore zone and the new Sunken City zone.

Voyage to the Sunken City is also getting its first Solo Adventure in the form of Book of Heroes: Faelin. The 17-mission story features the Nightbourne ambassador’s expedition to the ruins of Zin-Azshari. The adventure has three playable characters–presumably Faelin, Ini Stormcoil, and Sir Finley Mrrgglton–with the chance to get