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