Here is the full list of all 39 Little Noah: Scion of Paradise achievements.
Earn 59 badges in the adventurer's log.
Obtain 100 blue crystals.
Max out your bond with 40 different Lilliputs.
Red Crystal
Defeat Fang (Ice).
Log 142 different accessories.
Obtain 100 green crystals.
Defeat 50 Rascals.
Repair the airship 75 times.
Obtain 10 different Avatars.
Defeat Greigh Little without taking any damage.
Defeat Greigh without taking any damage.
Defeat Fang (Wind).
Achieve a 150 hit combo.
Complete 200 challenges.
Defeat a Fang without taking any damage.
Clear the game on HARD difficulty.
Defeat Greigh Little.
Defeat Greigh.
Activate Avatar Burst 30 times.
Reach the depths of the ruins.
Clear 25 monster lairs.
Defeat Queen.
Defeat Titan (Glaive).
Buy 100 shop items.
Open 500 treasure boxes.
Defeat 2,000 enemies.
Defeat Titan (Hammer).
Use a potion 30 times.
Use 20 Ruin Keys.
Log 40 different Lilliputs.
Reach the Winding Caverns.
Defeat a Titan without taking any damage.
Defeat Jack.
Max out a Lilliput's level for the first time.
Defeat King.
Place a statue on the airship for the first time.
Switch Noah's Avatar for the first time.
Begin exploring the ruins.