Ancient Altar Puzzle Solved in Baldur's Gate 3

Published: Aug. 20, 2023
Updated: Aug. 21, 2023

German English

In this guide, you will learn how to solve the Ancient Altar puzzle in Baldur's Gate 3 by putting the correct item into it.

At some point in Act 2, you will finally reach Moonrise Towers, and after a short dialogue with the baddies, you will be free to go around and explore. After you seek into the Balthazar's room and press a secret book on the bookshelf, you will see the Ancient Altar appearing in front of you, and this is where most players get stacked. Worry no more, we have you covered!

BG3 Ancient Altar Puzzle - Balthazar Secret Door

You can see a bunch of bodies lying around the room, and they were probably used for Balthazar's experiments. All you have to do is to pick up a heart from any of the bodies and just put it in the Ancient Altar. After this, the puzzle will be solved and a secret room will be opened. You can see the whole process in detail in my video above.

Read more: Stop The Presses Walkthrough Baldur’s Gate 3

Moonrise Towers Balthazar's Secret Room

After you get inside, you will notice a bunch of dead tadpoles, which means that Balthazar was experimenting with tadpoles. Also, on the table, you can find a few Dead Pixies and Broken Moonlanters, as well as a chest in the other part of the room. But, unfortunately, there will be no worthy loot inside. On the other hand, it will inspire some of your characters.

Also, if you are looking for more information about this game, make sure to check our guide on how to solve Ramazith’s Tower Invisible Barrier puzzle in Baldur’s Gate 3.


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Artur is our English-speaking writer from Ukraine who covers many topics in the gaming field. From indies to triple-A blockbusters, he is a gamer through and through. He has been supporting our team as a freelancer since the beginning of 2023.
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