Here is the full list of all 44 Trials of Mana trophies - there are 28 bronze, 12 silver, 3 gold and 1 platinum.
Obtain all trophies.
Become a master guard.
Play through with all six characters.
Complete Riesz's story.
Defeat Archdemon.
Defeat Black Rabite.
Learn all abilities as any character.
Become a master cleric.
Become a master fighter.
Complete Charlotte's story.
Complete Kevin's story.
Defeat Dark Lich.
Learn 20 abilities as any character.
Accumulate at least 500,000 lucre.
Purchase nitromyte for the listed price.
Max out magic pot level.
Defeat Anise on hard.
Stop the end of the world.
Become a master swordsman.
Become a master thief.
Become a master magician.
Complete Duran's story.
Complete Angela's story.
Complete Hawkeye's story.
Complete Chapter 6.
Defeat Mondoragon.
Find Li'l Cactus in all possible areas.
Accumulate at least 100,000 lucre.
Complete Chapter 5.
Open 200 treasure boxes.
Complete Chapter 4.
First ride on Flammie.
Complete Chapter 3.
Complete Chapter 2.
First ride on Vuscav.
Open 100 treasure boxes.
First class switch.
Complete Chapter 1.
First cannon ride.
First encounter with Li'l Cactus.
First time learning an ability.
First time learning a chain ability from an unexpected acquaintance.
First time learning a companion's chain ability.
First time planting a seed.