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