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