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