Here is the full list of all 29 Legend of Mana achievements.
Completed every entry in the encyclopedia.
Played the game on "No Future" mode.
Witnessed the ending for the first time.
Saw the game's ending after completing 67 events.
Raised every type of produce.
Reached level 99.
Learned every Special Technique.
Reached level 50.
Held over 100,000 lucre at one time.
Learned every Ability.
Created a golem for the first time.
Read every entry in Li'l Cactus's diary.
Witnessed the conclusion of events involving the jewel thief.
Witnessed the conclusion of events involving Bud and Lisa.
Held over 10,000 lucre at one time.
Witnessed the conclusion of events involving Niccolo.
Reached level 30.
Witnessed the conclusion of events involving the Emperor of Dragons.
Made a piece of armor for the first time.
Made a weapon for the first time.
Stepped on 32 or more crabs in the crab bashing mini game.
Witnessed the conclusion of events involving the Faerie world.
Raised an item of produce in an orchard for the first time.
Hatched a pet from a monster egg for the first time.
Made an instrument for the first time.
Caught an Elemental Spirit for the first time.
Reached level 10.
Read the first entry in Li'l Cactus's diary.
Placed the "Mailbox" artifact on the world map.