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