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