Full list of all 27 The Legend of Heroes: Trails in the Sky achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Choose Agate, Olivier and/or Zane to join Joshua and Estelle in the final dungeon.
Complete all achievements.
Collect 3,000 of each Sepith.
Open all non-story-related treasure chests and get every chest phrase.
Complete all requests from the Bracer Guild.
Obtain the maximum amount of Bracer Points and achieve the highest Bracer Rank.
Fill the Recipe Book.
Read every issue of the Liberl News.
Collect every weapon available in the game.
Collect every Quartz available in the game.
Choose Tita, Kloe and/or Schera to join Joshua and Estelle in the Final Dungeon.
Defeat 2nd Lieutenant Lorence during the battle before the final dungeon.
Defeat one type of Shining Pom for each chapter.
Purchase and read all chapters of Carnelia.
Collect every armor available in the game.
Complete Chapter 4.
Return a certain blond-haired idiot to his boon companion.
Opt to fight the final battle without any use of S-Crafts.
Open all orbment slots for each character.
Collect 1,000 of each Sepith.
Exterminate all 'Big Monsters' along the roads.
Complete Chapter 3.
Complete Chapter 2.
Complete all quests at the school campus.
Complete Chapter 1.
Opt to fish all ten times at Valleria.
Complete the Prologue.