Here is the full list of all 51 The Legend of Heroes: Trails of Cold Steel II trophies - there are 38 bronze, 10 silver, 2 gold and 1 platinum.
Mastered Trails of Cold Steel II and earned every trophy.
Completed the game on nightmare difficulty.
Completed the game on hard or nightmare difficulty.
Read the decoded Black Records and had an encounter you'll never forget.
Opened every chest between the Prologue and the Finale.
Slayed Isra-Zamiel in Glacia Shrine.
Gathered all 31 varieties of master quartz.
Spent the evening before the final battle with Laura.
Spent the evening before the final battle with Millium.
Spent the evening before the final battle with Sara.
Spent the evening before the final battle with Alisa.
Spent the evening before the final battle with Alfin.
Spent the evening before the final battle with Gaius.
Spent the evening before the final battle with Elliot.
Completely filled the monster guide (excluding EX sections).
Acquired over a million mira.
Completed the Epilogue.
Used Overdrive in battle 100 times.
Completed all 39 quests.
Completed all of the character profiles in the notebook.
Completely filled the book section of the notebook (excluding books only available in NG+).
Completed the Divertissement.
Completed the Finale.
Received the Grand Cordon of the Order of the Phoenix Wings from Emperor Eugent III.
Achieved student rank A0.
Caught all 24 varieties of fish.
Acquired the strongest weapon for any character.
Spent the evening before the final battle with Machias.
Spent the evening before the final battle with Jusis.
Spent the evening before the final battle with Fie.
Spent the evening before the final battle with Emma.
Raised any two characters to Link Level 7.
Spent the evening before the final battle with Towa.
Obtained all 22 recipes.
Completed Act 2.
Initiated 300 advantage encounters (including double and triple advantage).
Won 600 battles.
Canceled enemy arts and crafts 100 times.
Raised a master quartz to level 5.
Used Burst in battle 50 times.
Used Rush in battle 100 times.
Completed the Intermission.
Completed Act 1.
Used 100 S-Breaks in battle.
Used over 500 follow-up attacks in battle.
Won a battle with a tactical bonus of x3.0 or greater.
Earned an S rank during part of any chapter.
Won 100 battles.
Completed the Prologue.
Defeated 8 enemies at once.
Woke up in the Eisengard Range.