Indiana Jones and the Great Circle walkthrough: How to complete The Bulls of Blood mystery quest

Indiana Jones and the Great Circle takes you on a grand adventure as you step into the shoes of the popular fictional archeologist. This journey has you visiting picturesque historic locations like Egypt, the Vatican, parts of Thailand, and many more. Moreover, being an incredible treasure hunter, Indy undoubtedly encounters several artifacts, puzzles, and even mysteries, as he searches for the Great Circle.

One such mystery—Bulls of Blood, can be found within Castel Sant'Angelo in the Vatican area. It is activated once you find a mystery note or interact with the paintings. Let's dive in and find out how you can solve this quest easily, shall we?

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Solving the Bulls of Blood mystery quest in Indiana Jones and the Great Circle

While on the mission 'The Stolen Cat Mummy,' you'll get an objective that says, "Get to Pasetto di Borgo." Follow the marker and move through the castle until you come across a small courtyard with a patrolling soldier and dog. There are two entrances, but we recommended taking the farthest one beside a metal gate to reach the room with the paintings faster.

Head through this gate to reach the paintings faster (Image via Bethesda)

Once you enter the room, you will find a guard dozing off on a chair while another will be patrolling the area. Take them out quietly and hide their bodies behind the nearby desk to avoid blowing Indy's cover.

Take care of both the sleeping as well as the patrolling guard while making minimal noise (Image via Bethesda)

Once that is done, examine the desk to find some Lira and two documents. One of the documents is a Red Bulls card, while the other is titled the Angel Courtyard Map. This will start the mystery, which requires you to interact with the two bull paintings on the wall opposite the desk.

Collect all the items on the desk (Image via Bethesda)

Approach the paintings and interact with them to turn them upside down so that the red or darker-colored bull is on the top. Do this for both paintings, and a secret passageway will open up between them.

Once both paintings have been turned upside down, a secret passage will open up (Image via Bethesda)

Inside the passageway, you'll find a letter from Cesare Borgia and this concludes the quest. Do note that you'll get some adventure points for your troubles.

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