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