Here is the full list of all 16 Wanderjahr trophies - there are 15 bronze and 1 gold.
Rescue member from ramen restaurant.
Have more than 0xFFFF gold.
Success to do Counter Break.
Obtain Scarab Artifact.
Rescue member from pyramid.
Obtain Artifact Slot from airship.
Deal more than 0x270F * 0xA damage in 1 hit.
Obtained the last Artifact Slot.
Eliminate the master hidden in dungeon.
Restore all teleportation signals.
Success to combine Artifact.
Learn all RS.
Beat the game.
Obtained all Artifacts.
Max out level all characters.
Crown star all missions.