Here is the full list of all 32 The Outbound Ghost trophies - there are 14 bronze, 13 silver, 4 gold and 1 platinum.
Outbound Ghost
Finish Chapter 1
Finish Chapter 2
Finish Chapter 3
Start Chapter 4
Obtain a Hidden Figment
Get a Full Party of 4
Start a Save File With Special Settings
Obtain 4 Hidden Figments
Obtain 10 Hidden Figments
Forge an Aspect
Forge 10 Aspects
Forge 20 Aspects
Complete the Tutorial
Defeat a Mimic
Lockpick 5 Gates
Surprise Attack 5 Times
Team Up With a Secret Partner
Stun Apparitions 15 Times
Defeat the Sanguine Apparition
Defeat the Fungal Duo
Defeat the Player Apparition
Defeat the Barbed Apparition
Defeat the Fightless Apparition
Defeat the Carnivorous Apparition
Obtain Comradery
Obtain Callousness
Obtain Solitude
Obtain Spite
Obtain Annoyance
Obtain Trust
Obtain Jealousy