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