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