Here is the full list of all 54 Ys VIII: Lacrimosa of DANA VIII-Lacrimosa of DANA- achievements.
Defeated Melaiduma at the Former Sanctuary Crypt.
Witnessed the true ending on Nightmare difficulty or higher.
Thoroughly explored while playing as Ricotta.
Cleared Epilogue - End of the Blue Waves, and viewed the true ending.
Achieved 100% People Entries Logged.
Achieved 100% Beast Entries Logged.
Cleared Chapter 6 - Lacrimosa of the Distant Sea.
Achieved 100% Items Collected.
Achieved 100% Approval Earned.
Achieved 100% Fish Entries Logged.
Thoroughly explored while playing as Sahad.
Achieved 100% Treasures Found.
Completed the map of the Isle of Seiren.
Passed the final trial, and learned the true history of the Kingdom of Eternia.
Cleared all Eternia Quests.
Completed every Castaway Village quest.
Completed all raids.
Performed 100 EXTRA Skills.
Thoroughly explored while playing as Dana.
Completed all hunts.
Thoroughly explored while playing as Hummel.
Achieved 100% Village Fortifications Built.
Achieved 100% Material Entries Logged.
Achieved a Reputation of 200 or more.
Achieved Lv. MAX with every skill.
Defeated Mephorash at the Silent Tower.
Owned 888 of a single item.
Brought all survivors to Castaway Village.
Achieved 100% Location Points Found.
Fully enhanced all weapons.
Rescued every spirit in Eternia.
Achieved 100% Meal Entries Logged.
Cleared Chapter 5 - Maiden of the Great Tree.
Thoroughly explored while playing as Laxia.
Defeated the Oceanus once and for all.
Performed 100 Flash Guards.
Achieved an S Rank in any raid.
Cleared Baja Tower.
Traveled a total distance of 300 krimelye.
Defeated 100 Primordials.
Cleared Chapter 4 - The Lost World.
Cleared Chapter 3 - Surpassing Gendarme.
Performed 100 Flash Moves.
Thoroughly explored while playing as Adol.
Cleared Chapter 2 - The Castaway Banquet.
Made it through the Eroded Valley.
Performed a Skill Finish 1000 times.
Defeated 2000 beasts.
Performed 1000 Breaks.
Made it through the Towering Coral Forest.
Enhanced a weapon to Lv. MAX.
Cleared Chapter 1 - The Isle of Seiren.
Cleared Prologue - Night on the Gaete Sea.
Began a new adventure.