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