Here is the full list of all 34 Ni no Kuni: Wrath of the White Witch (JP) trophies - there are 19 bronze, 9 silver, 5 gold and 1 platinum.
Awarded for becoming a master magician. Congratulations! You truly are a whiz at wizardry!
Awarded for casting a Gate spell and traveling to Ni no Kuni.
Awarded for defeating the forest guardian and bringing him back to his senses.
Awarded for obtaining the good ship Queen Cowra.
Awarded for befriending Kuro.
Awarded for restoring the legendary wand "Gradion" to its former glory.
Awarded for defeating the Dark Djinn.
Awarded for saving Ni no Kuni by defeating the Queen of the White Ash.
Awarded for defeating the guardian of the world.
Awarded for amassing a fortune of half a million G.
Awarded for successfully stealing 50 times.
Awarded for collecting 2,000 soul orbs.
Awarded for winning 1,000 battles.
Awarded for maximizing an Imajinn's affection level.
Awarded for raising an Imajinn to its maximum limit.
Awarded for completing 10 Imajinn evolutions.
Awarded for finding 20 types of Imajinn.
Awarded for finding 250 types of Imajinn.
Awarded for carrying out 15 different favors.
Awarded for carrying out 60 different favors.
Awarded for hunting down 10 different bounties.
Awarded for hunting down 40 different bounties.
Awarded for collecting all the hero licenses.
Awarded for alchemizing 10 different items.
Awarded for alchemizing 120 different items.
Awarded for finding all hidden treasure chests.
Awarded for setting foot in all secluded regions.
Awarded for collecting your first prize at the casino.
Awarded for collecting all of the tickets for the casino's theater.
Awarded for winning your first bout at the Pandora League.
Awarded for becoming the reigning champion of the Pandora League.
Awarded for learning all known spells.
Awarded for learning all songs.
Awarded for learning all kinds of shots.