Here is the full list of all 33 Phoenotopia: Awakening achievements.
Acquire 5 Heart Rubies
Acquire 20 Heart Rubies
Acquire 55 Heart Rubies
Caught 10 Fish
Caught 100 Fish
Strike foes with a quick swing of your bat 1000 times
Strike foes with a powerful charged swing of your bat 100 times
Weathered 30 battle encounters on the overworld
Sleep wherever it is possible to sleep
Break 250 boxes
Read people's personal journals
Acquire 4 Energy Gems
Acquire 12 Energy Gems
Acquire 33 Energy Gems
Complete the cooking process 40 times
Eat or drink 80 items
It's dangerous to go alone! Find your first weapon.
It's not possible to be overprepared! Find all weapons.
Hunt 25 crawling critters for sustenance
Upgrade your inventory space to its maximum capacity
Reach the final save point in under 4 hours
Pet 9 different cats
Acquire 11 Moonstones
Acquire 55 Moonstones
Acquire 111 Moonstones
Earned 2500 RIN through recycling
Acquired 5000 RIN throughout your journey
Do the right thing, especially when no one's looking
Find three people who will provide service even if you're a little short on money
Defeat Katash in the second encounter
Defeat the Phalanx
Beat the game having picked up zero Heart Rubies and zero Energy Gems and having used none of the combat-related *accessibility options
Complete the game