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