Here is the full list of all 31 Ys Origin trophies - there are 15 bronze, 9 silver, 6 gold and 1 platinum.
Obtain all trophies.
Reach the maximum level with any character.
Purchase everything available in the Bonus Shop.
Finish the game on any difficulty with the 3 characters.
Finish the game in Nightmare difficulty with any character.
Finish the game on Very Easy difficulty with any character.
Finish the game in Normal, Hard or Nightmare difficulty with any character without dying.
Complete Boss Rush in Nightmare difficulty.
Unlock Adol.
Complete all 6 levels of Arena Mode in Nightmare difficulty.
Finish the game with Toal in Normal mode or harder.
Fill in all the data entries in the monster journal.
Purchase all the blessings with any character.
Kill 10.000 ennemies.
Finish the game with Yunica in Normal mode or harder.
Beat Epona “The resolute”.
Finish the game in Hard difficulty with any character.
Finish the game with Hugo in Normal mode or harder.
Finish the game on Easy difficulty with any character.
Upgrade each piece of equipment to the maximum level of any character.
Beat Toal Fact “The Believer”.
Beat Zava with Yogleks & Omulgun “The Merciless”.
Beat Kishgal “The Peerless”.
Give a Roda Fruit to all of the Roos in the tower with any character.
Beat Pictimos “The Grim Mantid”.
Upgrade every magic attack to the maximum level of any character.
Beat Khonsclard “The Maneating Creeper”.
Beat Gelaldy “The Murderous Construct”.
Beat Nygtilger The Pestilent Arthropod”.
Buy your first upgrade.
Beat Velagunder “The Gangly Beast”.