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.
Spent the evening before the final battle with Gaius.
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 Alfin.
Read the decoded Black Records and had an encounter you'll never forget.
Completed all of the character profiles in the notebook.
Slayed Isra-Zamiel in Glacia Shrine.
Spent the evening before the final battle with Emma.
Spent the evening before the final battle with Machias.
Spent the evening before the final battle with Fie.
Spent the evening before the final battle with Alisa.
Spent the evening before the final battle with Elliot.
Spent the evening before the final battle with Jusis.
Completely filled the monster guide (excluding EX sections).
Acquired over a million mira.
Completed the Epilogue.
Completed all 39 quests.
Completely filled the book section of the notebook (excluding books only available in NG+).
Achieved student rank A0.
Completed the Divertissement.
Completed the Finale.
Opened every chest between the Prologue and the Finale.
Received the Grand Cordon of the Order of the Phoenix Wings from Emperor Eugent III.
Acquired the strongest weapon for any character.
Gathered all 31 varieties of master quartz.
Caught all 24 varieties of fish.
Spent the evening before the final battle with Towa.
Spent the evening before the final battle with Sara.
Raised any two characters to Link Level 7.
Obtained all 22 recipes.
Completed Act 2.
Raised a master quartz to level 5.
Canceled enemy arts and crafts 100 times.
Won 600 battles.
Used Burst in battle 50 times.
Used Overdrive in battle 100 times.
Used over 500 follow-up attacks in battle.
Initiated 300 advantage encounters (including double and triple advantage).
Used Rush in battle 100 times.
Completed the Intermission.
Completed Act 1.
Used 100 S-Breaks 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.
Defeated 8 enemies at once.
Completed the Prologue.
Woke up in the Eisengard Range.