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