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 character cards.
Viewed all endings.
Collected all enemy cards.
Defeated the Dragon's lingering hatred in the Vexing Cave.
Witnessed the game master fall asleep.
Completed Chapter 7.
Collected all key item cards.
Collected all item cards.
Obtained the protagonist's strongest weapon.
Obtained more than 50,000G.
Won the battle against the island hermit.
Obtained Melanie's strongest weapon.
Obtained Mysterious Card 10.
Reached MAX LV with one character.
Obtained Mar's strongest weapon.
Obtained Bruno's strongest weapon.
Won the battle against the mysterious knight.
Obtained Ridis's strongest weapon.
Completed Chapter 6.
Collected all skill cards.
Obtained Mysterious Card 9.
Obtained Mysterious Card 8.
Won a round on Include All at the game parlor.
Completed Chapter 5.
Obtained Mysterious Card 7.
Successfully fled a battle.
Completed Chapter 4.
Saved up the maximum amount of gems.
Obtained Mysterious Card 6.
Completed Chapter 3.
Obtained Mysterious Card 4.
Obtained Mysterious Card 5.
Won a round on Add Events at the game parlor.
Completed Chapter 2.
Won a round on Add Skills at the game parlor.
Obtained Mysterious Card 3.
Completed Chapter 1.
Struck foes with elements they are weak to thrice in a single battle.
Played at a game parlor for the first time.
Won a round on Simple at the game parlor.
Obtained Mysterious Card 2.
Defeated all enemies without taking any damage.
Obtained Mysterious Card 1.