Here is the full list of all 28 Paradiso Guardian achievements.
Staying in Gallery for more than 5 mins.
Activate Holy Flare.
Select “Yes” to view a newly unlocked bond memory right away.
Replay any event in the Gallery.
Get equipment taken away by Radian.
Use a save point.
Reach Yokkun’s shop.
Defeat Floody.
Defeat Lesser Death Physis.
Defeat Shutendouji.
Pass the puzzle area in the library.
Defeat Vitos.
Defeat Radian.
Beat the game with a normal ending.
Beat the game with a special ending.
Be a good boy and abort the mission.
Acquire more than 10 bond skills.
Acquired all bond skills.
Defeat Raikoh, the god of thunder.
Defeat the Giant Grinate Knight at the waterway.
Welcome to Physis’ hideout.
Unlock all units in Physis’ hideout.
Obtain the Discount Card.
Purchase the Black Card in the shop.
Obtain the Shining Claymore.
Use command to cast Essense Steal when equipped with Ancient Scroll.
Map discover rate reaches 100%.
Unlock all achievements.