Location: Cursehaven – Lantern’s Hook
Obtained: Speak with Burton after completing the Cold Case: Buried Questions side mission
Enter Gunsmith Shop
Head into Hartford’s shop.
Place Box on Table
Place the box where indicated on the table and wait for him to inspect it.
Take Seventh Sense
Grab the gun from Burton.
Look at the Corner through Seventh Sense
Look at the corner of the room through the scope of the gun.
Go to Dustbound Archives
Travel to the Dustbound Archives!
Meet Burton
Head into the library and follow the path straight past Harriet. Go into the next room to find Burton on the right side.
Kill the Bonded
Defeat all the enemies in the room Burton unlocks.
Get through the Door
Use the Seventh Sense’s scope to see glowing, spinning orbs. Shoot the orbs with the gun to open the door.
Find the Art Gallery
Use the pistol’s scope to maneuver around the room with invisible barriers. Once you make it out of the room, proceed down the long hallway to find the art gallery at the end.
Defend the Girl
Defeat all the enemies in the art gallery. These enemies will be invisible to the naked eye, so you will need to use the Seventh Sense’s scope to see them.
Approach the Girl
Once the enemies have been defeated, speak with the girl.
Approach Painting
To clear away the black fog in front of the painting, you will need to use the scope to shoot the glowing orbs.
Get Portal Device
Head back to the portal and pick up the device.
Give Device to Burton
Hand over the portal device to Burton.
Give Seventh Sense to Burton
Hand over the pistol to complete the quest.