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