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 enemy cards.
Collected all character cards.
Collected all item cards.
Witnessed the game master fall asleep.
Collected all equipment cards.
Began a game using saved data carried over.
Defeated the Dragon's lingering hatred in the Vexing Cave.
Viewed all endings.
Completed Chapter 7.
Collected all key item cards.
Obtained Bruno's strongest weapon.
Won the battle against the island hermit.
Obtained more than 50,000G.
Obtained Melanie's strongest weapon.
Reached MAX LV with one character.
Obtained Mysterious Card 10.
Obtained Ridis's strongest weapon.
Won the battle against the mysterious knight.
Obtained the protagonist's strongest weapon.
Obtained Mysterious Card 7.
Obtained Mar's strongest weapon.
Completed Chapter 6.
Collected all skill cards.
Obtained Mysterious Card 9.
Won a round on Add Skills at the game parlor.
Won a round on Include All at the game parlor.
Obtained Mysterious Card 8.
Completed Chapter 5.
Successfully fled a battle.
Saved up the maximum amount of gems.
Completed Chapter 4.
Obtained Mysterious Card 6.
Won a round on Add Events at the game parlor.
Completed Chapter 3.
Obtained Mysterious Card 5.
Completed Chapter 2.
Obtained Mysterious Card 3.
Obtained Mysterious Card 4.
Struck foes with elements they are weak to thrice in a single battle.
Completed Chapter 1.
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.