Here is the full list of all 35 Antiquia Lost trophies - there are 18 bronze, 11 silver, 5 gold and 1 platinum.
You have gained the Maid Cup in the Arena.
You have gained the Gold Cup in the Arena.
You have gained the Silver Cup in the Arena.
You have gained the Bronze Cup in the Arena.
You have eaten 500 gems.
You have reached the True Ending.
Maximum weapon amalgamate level is 100.
You have reached the Normal Ending.
You have inflicted 100000 damage with 1 attack.
You have harvested from plant pots 50 times.
Preparations for launching the Mega-magic are complete.
You have walked 100000 paces.
You have to head to Amber Fortress on your own.
You have collected 100 treasure chests.
You have gained a ship.
You have inflicted 10000 damage with 1 attack.
You have achieved 10 consecutive hits.
You have collected 50 treasure chests.
You have eaten 50 gems.
You have harvested from plant pots 10 times.
You have arrived at Amethyst Port.
Maximum weapon amalgamate level is 10.
You have walked 10000 paces.
You have watched the opening.
Obtained all trophies.
You have walked 250000 paces.
You have collected 300 treasure chests.
You have achieved 50 consecutive hits.
You have achieved 200 consecutive hits.
You have inflicted 999999 damage with 1 attack.
Maximum weapon amalgamate level is 999.
You have eaten 3500 gems.
You have harvested from plant pots 100 times.
You have completed all the Sub-quests.
You have cleared the most difficult level in the hidden Arena.