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.
Defeated the Dragon's lingering hatred in the Vexing Cave.
Collected all character cards.
Viewed all endings.
Collected all equipment cards.
Began a game using saved data carried over.
Completed Chapter 7.
Collected all key item cards.
Won the battle against the mysterious knight.
Obtained the protagonist's strongest weapon.
Obtained Ridis's strongest weapon.
Obtained Melanie's strongest weapon.
Obtained Mysterious Card 10.
Obtained more than 50,000G.
Obtained Mar's strongest weapon.
Obtained Bruno's strongest weapon.
Reached MAX LV with one character.
Learned a new skill from a suspicious doctor.
Witnessed the game master fall asleep.
Won the battle against the island hermit.
Completed Chapter 6.
Obtained Mysterious Card 9.
Collected all skill cards.
Obtained Mysterious Card 7.
Obtained Mysterious Card 8.
Collected all item cards.
Saved up the maximum amount of gems.
Completed Chapter 5.
Successfully fled a battle.
Completed Chapter 4.
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.
Completed Chapter 3.
Obtained Mysterious Card 5.
Obtained Mysterious Card 6.
Completed Chapter 2.
Obtained Mysterious Card 4.
Obtained Mysterious Card 3.
Struck foes with elements they are weak to thrice in a single battle.
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.