Here is the full list of all 28 Fairune Collection achievements.
Beat the game and watched the ending.
Collected all items excluding secret items.
Collected all secret items.
Defeated all monsters excluding rare monsters.
Defeated all rare monsters.
Beat the game without dying.
Beat the game within 2hrs.
Watched the ending
Completed the Item Dictionary
Completed the Monster Dictionary
Covered all maps
Learned all Skills
Wore a dress till meeting the Green Fairy
Uncovered all Tombs.
Saw all hidden dialog from fairies
Did not use Mana to defeat the Last Boss
Cleared game within 3hrs.
Cleared the game within 6 mins
Cleared the game without damage
Cleared the game using the “Girl from another dimension”
Cleared the game using Yamato
Cleared the game using Uzume
Scored over 200000
Defeated all kinds of monsters
Cleared Fairune 1/2/Origin
Cleared Fairune 1/2/Origin/Blast