Here is the full list of all 36 Psychedelica of the Ashen Hawk trophies - there are 14 bronze, 18 silver, 3 gold and 1 platinum.
Obtained all trophies.
Cleared all Short Episodes.
Gallery completion at 100%.
Cleared all endings.
Unlocked the Witch's ending.
Flowchart completion at 100%.
Unlocked the Traveler's ending.
Obtained all Antique Shop items.
Gathered all Town Memories.
Obtained all Notes.
Unlocked Levi's ending.
Unlocked Lavan's ending.
Unlocked the heroine's ending.
Unlocked the Wolf Brothers' ending.
Cleared Chapter 9.
Cleared half of all endings.
Unlocked Lugus's ending.
Unlocked Hugh's ending.
Unlocked the Tower Overlord's ending.
Unlocked the bad ending.
Cleared Chapter 8.
Unlocked Happy Ending II.
Cleared Chapter 7.
Flowchart completion at 50%.
Cleared Chapter 6.
Gallery completion at 50%.
Cleared Chapter 5.
Cleared Chapter 4.
Cleared Chapter 3.
Unlocked Happy Ending I.
Cleared Chapter 2.
Cleared half of all Short Episodes.
Gathered half of all Town Memories.
Viewed one short episode.
Spoke to the townspeople for the first time.
Cleared Chapter 1.