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