AC Mirage Al-Bahamut Investigation – Qabiha Walkthrough and Serpent’s Nest Book Order

Al-Bahamut Investigation Overview

Investigation type: Harbiyah Bureau investigation against the Head of the Order
How it starts: Return to the Harbiyah Bureau to get three new leads
Missions: The Fox and the Hunter, Judge and Executioner, The Servant and the Impostor, The Serpent’s Nest
Where: The Round City of Baghdad
Target: Qabiha, the Head of the Order (Al-Bahamut)
Key characters: Fuladh, Arib, Muhammad, Makira, Roshan, Ali’s rebels and Nehal
Puzzle: The book order in the library of the Palace of the Green Dome

Return to the Harbiyah Bureau and you get three new cases at once. Before you head to the Round City, talk to Fuladh at the bureau. Ask him about Arib, Muhammad, Qabiha and the Round City in general.

Find Arib: The Fox and the Hunter
Find Muhammad: Judge and Executioner
Find Qabiha: The Servant and the Impostor
Skull: Assassinate Qabiha in The Serpent’s Nest

Keep Eagle Vision active in every restricted area. The people and objects you need for this investigation glow orange.

1 – The Fox and the Hunter – Find Arib

In The Fox and the Hunter, Basim is sent out to find Arib, the poet.

Arib’s Home and the Postal Bureau

Cross the inner city wall into the Round City. When the quest marker disappears, send up Enkidu and focus on the courtyard of Arib’s house. Find the door and interact with it. You learn that the Patron made sure Arib has nothing more to do with the Order and sent back all the letters.

Next, you have to find those letters in the Postal Bureau. Open your map and you see the mission marker north of Arib’s home.

The Postal Bureau is closed, the back door is barred and the building is a restricted area. Watch out for guards and enter through the third-floor balcony.

Inside, the letters you have to search are highlighted in bright orange. There are 5 scrolls, books or letter piles to interact with. One special letter gives you the next lead: The Garden Recital.

Arib’s Garden Recital

The Garden Recital is a new location on the map, southeast of the Postal Bureau. This is where Arib is hosting a recital.

Sit down on the highlighted bench to start a cutscene. Arib notices Basim and he hands her the letter. The Patron then arrives with some soldiers that you have to fight.

Follow the Mouse

After the fight, you get the objective to follow the mouse. Use Eagle Vision and you see red mouse symbols painted on the house walls. Follow them to a place that looks like an Assassin’s Bureau. The location is shown in the screenshot below. This finishes the quest and closes the case.

2 – Judge and Executioner – Find Muhammad

The Court – Bribe or Bring the Documents

Open your investigation tab and select the Muhammad investigation. You get a quest marker for the court in the north of the Round City.

When you arrive, the mission marker disappears. There is a Marksman nearby, so you can’t use Enkidu. Keep following the marker on your world map and you find the place. It is a building entrance.

Inside, use Eagle Vision to spot a scholar glowing bright orange. You can bribe him with a Scholar Favor Token. If you decline, he asks you to bring him some documents instead. You now have two markers on the map: the coins to bribe him, or the speech bubble to get the documents.

The documents are in a room with a barred door in the same courtyard, right next to the scholar. Another door in the courtyard leads to a staircase to the second floor, but this access point is far from ideal.

It is easier to reach the second floor from the roof. Drop down next to the room with the speech bubble, out of sight of the three soldiers on one side of the second floor. Sneak inside, take care of the lone soldiers with their backs to you, and take the ladder down to the barred door on the ground floor. Bring the documents back to the scholar.

Follow the Messenger to the Shurta Headquarters

The objective changes to find the messenger. Use Eagle Vision and you see him in the inner courtyard. As you get closer, he starts walking. Follow him without being seen. He leads you to the Shurta Headquarters in the east of the Round City.

The Shurta Headquarters is a restricted area and the whole roof is protected with spiked fencing. Only one section on the south side is not, and it even has an elevator rope up to the third floor.

Governor’s Office Key

From the roof, move to the eastern building wall and get inside through a balcony. Careful, the guards on the other side of the road can spot you. Inside, use the wooden beams on the ceiling to move quietly through the building.

The Governor’s office is on the second floor, but it is locked. Use Eagle Vision to find the guard carrying the key on the ground floor. Get the key, go back up and unlock the office. There are four highlighted documents to read inside.

Once you read all the documents, Muhammad enters the office. After the conversation, he alerts the guards and you have to flee the Shurta with a full wanted bar.

3 – The Servant and the Impostor – Find Qabiha

Eavesdrop at the Harem

Now you have to find Qabiha, the head of the Harem, in the Round City. When you get close, the map marker disappears. Send up Enkidu to find the door of the Harem. The map screenshot below shows the correct location.

The door is a no-go for now. Just around the corner, under the green roof, Eagle Vision shows an eavesdropping opportunity. Sit down on the nearby bench to start it.

Get a Eunuch’s Tunic

You now get the task to wear a Eunuch’s tunic to get into the Harem, and three new markers appear on the map. There are three ways to get a tunic: take it by force from a Eunuch, or grab one that was freshly tailored.

Once you have the tunic, put it on in the Costume section of the game menu. Then go back to the Harem and enter through the highlighted door.

Makeup and Potion for Makira

After the cutscene, use Eagle Vision and interact with the orange-glowing locked door. This triggers a cutscene with Makira, the woman who helped you get inside. She wants her eye makeup and a magic potion in exchange for the office key. With Eagle Vision, the makeup shows a diamond icon and the potion a stealing hand.

The eye makeup is in a storage room that you can enter freely from the inner courtyard. Push away the movable shelf to pick it up. For the magic potion, find the person carrying it and pickpocket it.

The Book for Makira

Bring both items to Makira. Instead of the key, she now wants a book. Take the staircase up to the second floor. This is a restricted area.

The book is in a room with a barred door on the second floor. Use the wooden beams to get to the back of the room, where an open window lets you inside. Grab the book with Eagle Vision and put it on the highlighted bed in Makira’s room on the ground floor. Then talk to Makira again.

Qabiha’s Office

Now Makira wants you to return the potion. The owner is marked with an orange hand symbol. Slip the potion back to her the same way you pickpocketed it.

Makira finally gives you the key and you can enter the locked room. There are four highlighted items to interact with. After you have seen them all, leave the room. You find out that Makira was toying with you, and that her mistress is the Head of the Order.

This closes the case. Report your findings to Roshan, who waits nearby on the rooftops of the Round City. Just follow the map marker.

4 – The Serpent’s Nest – Assassinate Qabiha

Investigation Text:
“Head of the Order of the Ancients, Qabiha has fled her rooms at the Harem and hidden herself within the Caliphal Palace. The grounds are likely to be well-guarded, given how the last Caliph met his end. Yet there may be a select few on the premises that Qabiha would trust with her secrets.”

Enter the Palace of the Green Dome

Qabiha, the leader of the Order, hides in the Palace of the Green Dome in the center of the Round City. Use Enkidu to spot three opportunities in and around the palace. The first one: Ali’s rebels have arrived at the front gates. Talk to their leader and he asks you to unbar the gates so they can attack.

Follow the palace walls to the north and you find a Secret Entrance, a crack in the wall. As soon as you are on the palace grounds, all enemies are on high alert.

The Secret Entrance takes you to the western garden. The second opportunity is here, near the fountain: a servant inside a building next to the garden. The guards at the entrance can be distracted by the musician in the garden.

Enter the house and talk to the highlighted servant. He sells you the master key for a Merchant Favor Token.

Next, head to the front gate. A group of guards protects it and it has two wooden locks. Unbar the gate to let Ali’s men in. They fight their way to the palace gate, where they wait for you to let them in again.

The third opportunity is on the northeast side of the garden: trapped wild animals. Throw a knife at the door of their cage to release them as a distraction.

Leap Into the Palace and Let Ali’s Men In

You don’t need the servant’s key to move on. Unbar the doors at the back of his room and step into the inner garden. From there, climb one level up. The second level of the garden has plenty of high grass and flowers.

Up here, climb the scaffolding to the roof.

At the top is a Secret Entrance into the central dome. Use Eagle Vision to find the big oil jars. The entrance is right next to them.

Perform a Leap of Faith into the pool of the entrance hall. The nearby soldiers run off to defend the gate in the same room against Ali’s men. They turn their backs on you and won’t see you. Take care of them, unbar the door and let Ali’s men in.

Fight alongside the rebels and loot the soldiers. One of them carries a key that unlocks two doors in the entrance hall. Go through one of them and you see an orange-glowing door downstairs.

The door is barred from the other side. Go upstairs and turn right. An open window leads into the locked room from above, and a cutscene starts. Qabiha is not there, but her son is. He tells you that the library leads to Qabiha’s hidden room.

The library is marked with a speech bubble on the map and HUD, a few floors further up. Take the staircase up.

Library Key and Lost Book in the Palace of the Green Dome

The library door is locked. If you still want to buy the key, the servant stands on the ground floor close to the palace entrance. But there is another way.

Unbar the nearby door and follow the corridor to another barred door. Unbar it too to reach an outside area with a fountain.

Stick to the right outside wall and parkour to a balcony around the building. In these chambers, you find the Lost Book collectible and the library key on a table next to a barred door.

Book Order – Find Qabiha’s Hidden Chamber

Return to the library door, unlock it and go inside. The quest marker points to the books that you can collect. Look up in the room and you see highlighted symbols above four empty bookstands upstairs.

Place each book on the stand with the matching symbol. From three of the stands, you see the symbol straight ahead. The fourth stand only faces an archway, and this is the one for the black book.

Ocean: Blue Book
Desert: Yellow Book
Cobra: Black Book
Dove: White Book

Assassinate Qabiha and Meet Nehal

The right book order opens a secret passage with a ladder going down. Follow it and chase Qabiha down to the bath to start the final cutscene.

With the Head of the Order dead, escape the palace and meet your friend Nehal at the hideout where it all began. Here you find out the rest of Basim’s story and why he turned out the way he is in Assassin’s Creed Valhalla.

For more walkthroughs, head back to the Assassin’s Creed Mirage Game Guides Hub. The Treasurer investigation and The Raptor and the Demon cover the other Order leaders.