Retrace: Memories of Death (UP)

After finding the ending For "The Courages" achievement for reaching Owen's end:

PLAYTHROUGH LUCEN END (SAVING LUCAS AND OWEN)

Void
Use the 4th ( yellow book) pedestal and choose “Lobby”

[Lobby]

Use the Bottom-middle door

[Parlor]

Interact with the knife
But this time When the sentinel appears to interact with Lucas to save him
A long cutscene will play.
when you end up in the Dungeon, interact with the large rock and take the key then use the ladder to return to the lobby.

Once in the lobby, Interact with the big door that will trigger the final cutscene for this playthrough

21:02-22:57 *ACHIEVEMENT I think we’re alone now for reaching the LUCEN end with lucas and owen