All red bricks
Red bricks are collected on the planets according to history. The power you will need to get some.
Kylo Ren secret room
Kylo Ren is obsessed with Darth Vader, and thus reflected in his secret room.
Location of items in the hangar (Chapter 7)
The location of items in the hangar during chapter 7.
Bar items (Chapter 5)
Location of the items of the bar (Chapter 5).