Here is the full list of all 19 La Pucelle: Ragnarok achievements.
View the events at the end of the best route of Overlord Prier Mode.
Complete the normal story.
Exit 15 maps through a different gate without engaging in battle.
Recruit 50 monsters.
Defeat 10 enemies in one turn.
Witness all mass miracles.
Buy a "Present" from the shop.
Get Father Salade's experience up to 999,999.
Enter the Dark World.
Buy the most expensive item in the shop.
Get Alouette to level 100.
Maximize an item's level.
Perform a mass miracle purification with a 50,000 chain bonus.
Get 10 monsters to Happiness 10.
Defeat 666 enemies in the Dark World.
View the events at the end of the bad route of Overlord Prier Mode.
View the events at the end of the first normal route of Overlord Prier Mode.
View the events at the end of the second normal route of Overlord Prier Mode.
Become the ultimate pious parishioner by obtaining all of the achievements.