Lighthouse - Solas' Secret Office

This guide aims to aid in finding Solas' secret office.

FYI

Q: How do I know what to do to reach his office?
A: First of all, you are required to do 2 main things:
1. Rotate some statues which will spawn wisps that travel to a secret place near the round table.
2. It consists of two parts.

First part, of the statues, can be done at any time.
Second part, you are required to complete "The Siege of Weisshaupt" quest.

I highly recommend you start this puzzle after you've completed "The Siege of Weisshaupt" for an easier approach.

Step 1

So to start the puzzle, go behind Bellara's room. There you will find a statue.
Move the statue towards Neve's room, then go under Neve's room and rotate the statue towards Bellara's room (to be exactly like the picture below:

Step 2

Go up the stairs in the courtyard.
Rotate the statue at the top of the stairs towards the kitchen (or Lucanis' room). Then rotate the statue near the kitchen (or Lucanis' room) towards the statue near the entrance.
The statues should be facing eachother as in the image below:

Step 3

There is another set of statues up the stairs in the courtyard, close to the previous steps' statues.
Make sure these statues face eachother as well as seen below:

Step 4

Once all the statues are facing eachother, return to the round table and look to the right. Three lamps will be lit up and you will have access to the Music Room.

Step 5

Requirements: All companions must have been recruited.

Travel to a different area or do some quests, then return to the Lighthouse.
Go back into the Music Room and a wisp will spawn.
Place the wisp in the socket as shown in the picture below:

Step 6

Now go back to the courtyard and take the stairs up where the two statues were, another wisp will be spawn there.
Take the wisp and place it on the other socket in the Music Room as seen in the picture below:

After placing both wisps, a new door will open right in front of you. Go through it.

Step 7

Once in the new location, activate the globe thingy to fix the Lighthouse's library.

Next, you will need to have done "The Siege of Weisshaupt" quest.
After the library gets fixed, a new wisp will spawn.

Take this wisp to the opposite side where you came from, and a new path will open up.

Step 8

Once you travel through the portal in Step 7, you need to activate the crystal beam.
With this beam, you need to hit the 3 inactive crystals at the top of the buildings. If hit correctly, a wisp will fly away from each one of the crystals.

Step 9

Return to the round table and look at the left side. A new path will open for you.
Take the portal and it will lead you to Solas' secret office.

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Hope this was useful for you.
I'm always open to feedback!

[D34Done]

From the courtyard, up the stairs outside of the Library? The wisp should have plenty of time to place it in the correct place. After taking the wisp, try to jump down instead of taking the stairs.

[LibertyBelle]

I've turned the statues properly and I've managed to get one wisp in the right spot in the Music Room. I know the other wisp is by the Library statues. I grab it but can never seem to make it back to the holder in the Music Room in time to place it. Is there a shortcut I am missing?

[D34Done]

Thank you very much, Gerald!
I've updated the documentation.

[geraldrivia9]

Step 5 - need to have all companions, only then will the wisp appear