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