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