Here is the full list of all 25 REalM: Walk of Soul achievements.
Completed the final puzzle.
Obtained the LucumLibrary memory.
Obtained the Doll Island memory.
Obtained the Lost City memory.
Started the search for yourself.
Found all of Doll Island's gallery images.
Found all of Lucum Library's gallery images.
Found all of Lost City's gallery images.
Obtained all gallery images.
Found all secrets.
Found all of Doll Island's Secrets.
Found all of Lucum Library's Secrets.
Found all of Lost City's Secrets.
Found all of S&I's Secrets.
Found all the journals about the REalM.
Obtained all of Doll Island's Gallery Images and Secrets.
Obtained all of Lucum Library's Gallery Images and Secrets.
Obtained all of Lost City's Gallery Images and Secrets.
Woke up from the endless nightmare...
Found the Halcyon secret.
Obtained the Thorn effect.
Obtained the Dove effect.
Obtained the Automaton Blade effect.
Found the Visceral secret.
Obtained the crow effect.