Here is the full list of all 53 The Legend of Heroes: Trails into Reverie achievements.
Obtained all achievements.
Accomplished all Master Missions and received compensation. (Excludes Coda Content)
Achieved 1500 victories in battle.
Completely filled the recipe section of the notebook. (Excludes Coda Content)
Enjoyed all activities in the Beachside Vac-Cay Daydream.
Had all daydreams. (Excludes Coda Content/DLC Episodes)
Completely filled the character section of the notebook. (Excludes Coda Content)
Bore witness to a certain conversation.
Reached Liberation Rank S.
Collected 55 types of master quartz.
Achieved 500 victories in battle.
Won against all opponents in Vantage Masters. (Excludes Gold Sealing Stone and VM Dojo Characters)
Completely filled the battle section of the notebook. (Excludes Coda Content)
Conquered 9 Trial Doors.
Cleared the game on Nightmare difficulty.
Cleared Finale - Hope in Reverie.
Went into the final battle equipped with evidence needed to discern the truth.
Forged 3 types of weapons with Black Zemurian Ore.
Opened all treasure boxes. (Excludes Reverie Corridor Daydreams)
Initiated 300 advantageous encounters. (Includes Double and Triple Advantage)
Performed 500 assists.
Enacted 100 Brave Orders.
Performed 100 Rushes.
Cast 100 United Front Arts.
Completely filled the books section of the notebook. (Excludes Marksman of the Moonless Morn)
Completely filled the fishing section of the notebook. (All 26 Species of Fish + Rod Lv. Max)
Used arts that target an enemy's weak point 100 times.
Performed 50 United Front Heals.
Raised any two characters to Link Level 7.
Won against all opponents in Pom! Pom! Party!
Earned 2,000,000+ mira.
Performed 50 Bursts.
Cleared C's Route: Act IV - Elysium.
Collected 6 types of Lost Arts quartz.
Cleared Rean's Route: Act IV - Zeroth Hour.
Cleared Lloyd's Route: Act IV - Will, Tempered by Dusk.
Enacted 100 United Front Attacks.
Cleared Lloyd's Route: Act III - Illusions Shattered.
Cleared C's Route: Act III - Light in the Dark.
Induced 800 break states.
Cleared Rean's Route: Act III - Cruel Blue Skies.
Achieved 100 victories in battle.
Cleared Lloyd's Route: Act II - Lost Heroes.
Cleared Rean/C's Route: Act II - Vermillion Muck and Mire/Slinking in the Shadows.
Defeated 8 enemies at once.
Raised any master quartz to level 15.
Won a battle with a tactical bonus of x3.0 or greater.
Cleared ???'s Route: Act I - Evening of Encounters.
Performed 100 S-Crafts.
Cleared Rean's Route: Act I - As the Snow Thaws.
Cleared Lloyd's Route: Act I - Signing Ceremony.
Cleared Prologue - Operation: Liberate Crossbell.
Began the operation to liberate Crossbell.