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