Here is the full list of all 12 Frauki's Adventure! achievements.
Obtain the green Prism Gem of Wit.
Obtain the red Prism Gem of Will.
Obtain the purple Prism Gem of Luck.
Obtain the golden Prism Gem of Power.
Return all the Prism Gems to the Goddess.
Defeat all the enemies in the Battle Bar.
Get a shield upgrade.
Get a health upgrade.
Get all health and shield upgrades in the game.
Find all the explorer tokens.