Here is the full list of all 47 SaGa Emerald Beyond achievements.
Perform a United Attack for the first time.
Glimmer a tech for the first time.
Finish the game as Tsunanori.
Finish the game as Ameya.
Finish the game as Siugnas.
Finish the game as Bonnie and Formina.
Finish the game as Diva No. 5.
Have someone join your retinue for the first time.
Visit all places the world has to offer.
Figure out Matsu's hobby.
Obtain the Calamity Shard.
Save the Dismal King.
Acquire a sailboat.
Restore peace to the Kosmos.
Assist a single tribe to the bitter end.
Save Cordycep.
Travel by tram, coach, and motorcar.
Unlock all routes on the bottom level.
Make the Epuyke bloom.
Meet Alexandre.
Stop Pandora.
Save everyone's souls.
Purify all the triangle engines and beautify the world.
Seal the cleft overflowing with fiends.
Discover Jessica's identity.
Call the eagle five times.
Travel to ten worlds via the Junction.
Defeat the ultimate foe.
Defeat agony incarnate.
Change roles for the first time.
Learn a role for the first time.
Activate overdrive for the first time.
Perform a showstopper for the first time.
Complete your first trial.
Be tutored for the first time.
Best 100 types of foes.
Perform 100 United Attacks.
Activate overdrive 100 times.
Raise one tech to max rank.
Make 100 trades.
Max out your Trial Rank.
Raise any attribute to 99.
Use all glimmered techs.
Emerge victorious with all formations.
Acquire 100 different types of armaments.
Do a ritgram puzzle for the first time.
Solve a designated placements ritgram puzzle for the first time.