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