Get ready to venture deep into The Lost City in Hearthstone’s latest solo adventure, Tombs of Terror, which is available now.

The Lost City sees intrepid League of Explorers hero Reno Jackson take on the Plague Lord of Murlocs, who presents a new, daunting challenge for players with his “gigantic persistent health pools.”

Players won’t be able to knock him out the first time they face off against him, but any damage they inflict on him will persist into the next encounter.

Look out for his “Surprise! Murlocs!” card however, as it will summon a random number of Murlocs to overwhelm you.

To combat the Plague Lord, players will be bolstered by the strengths of new dual-class heroes — with Reno being a “Relicologist” who combines the abilities of a Rogue and a Mage.

Signature Treasures, such as “Reno’s Lucky Hat” and “The Gatling Wand,” can also be unlocked by completing challenges and runs to give you the edge in battle.

Tombs of Terror is the latest content drop for Hearthstone’s most recent expansion, Saviors of Uldum.

The first chapter is free for all players, with subsequent chapters –each introducing a new member of the League of Explorers — available for purchase either in a bundle for US$15 or individually for US$7 each.

READ MORE: Time to save the world with Hearthstone’s ​latest expansion Saviors of Uldum