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