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