Here is the full list of all 48 Voice of Cards: The Isle Dragon Roars achievements.
Unlocked all achievements.
Learned a new skill from a suspicious doctor.
Completed your collection.
Collected all equipment cards.
Began a game using saved data carried over.
Collected all enemy cards.
Collected all character cards.
Viewed all endings.
Defeated the Dragon's lingering hatred in the Vexing Cave.
Won the battle against the island hermit.
Won the battle against the mysterious knight.
Obtained the protagonist's strongest weapon.
Collected all item cards.
Obtained Ridis's strongest weapon.
Obtained more than 50,000G.
Completed Chapter 7.
Collected all key item cards.
Reached MAX LV with one character.
Obtained Melanie's strongest weapon.
Obtained Mysterious Card 10.
Obtained Mar's strongest weapon.
Obtained Bruno's strongest weapon.
Obtained Mysterious Card 9.
Obtained Mysterious Card 7.
Obtained Mysterious Card 4.
Successfully fled a battle.
Completed Chapter 6.
Collected all skill cards.
Obtained Mysterious Card 8.
Saved up the maximum amount of gems.
Completed Chapter 5.
Completed Chapter 4.
Completed Chapter 3.
Obtained Mysterious Card 5.
Obtained Mysterious Card 6.
Completed Chapter 2.
Obtained Mysterious Card 3.
Completed Chapter 1.
Obtained Mysterious Card 2.
Won a round on Include All at the game parlor.
Won a round on Add Events at the game parlor.
Won a round on Add Skills at the game parlor.
Played at a game parlor for the first time.
Won a round on Simple at the game parlor.
Struck foes with elements they are weak to thrice in a single battle.
Obtained Mysterious Card 1.
Witnessed the game master fall asleep.
Defeated all enemies without taking any damage.