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