Here is the full list of all 48 Voice of Cards: The Isle Dragon Roars achievements.
Unlocked all achievements.
Witnessed the game master fall asleep.
Completed your collection.
Collected all equipment cards.
Learned a new skill from a suspicious doctor.
Began a game using saved data carried over.
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.
Collected all character cards.
Viewed all endings.
Collected all enemy cards.
Defeated the Dragon's lingering hatred in the Vexing Cave.
Completed Chapter 7.
Collected all key item cards.
Won the battle against the mysterious knight.
Reached MAX LV with one character.
Obtained Mysterious Card 7.
Obtained the protagonist's strongest weapon.
Obtained more than 50,000G.
Obtained Melanie's strongest weapon.
Obtained Mysterious Card 10.
Obtained Mar's strongest weapon.
Obtained Bruno's strongest weapon.
Obtained Ridis's strongest weapon.
Won the battle against the island hermit.
Completed Chapter 6.
Collected all skill cards.
Obtained Mysterious Card 9.
Obtained Mysterious Card 8.
Collected all item cards.
Completed Chapter 5.
Completed Chapter 4.
Successfully fled a battle.
Obtained Mysterious Card 6.
Completed Chapter 3.
Obtained Mysterious Card 5.
Completed Chapter 2.
Obtained Mysterious Card 4.
Struck foes with elements they are weak to thrice in a single battle.
Obtained Mysterious Card 3.
Completed Chapter 1.
Saved up the maximum amount of gems.
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.