Here is the full list of all 21 Arzette: The Jewel of Faramore achievements.
Finish the tutorial.
Light the Durridin Forest Beacon.
Light the Anju Desert Beacon.
Light the Norin Swamp Beacon.
Light the Badonc Beach Beacon.
Light the Lichen Hills Beacon.
Restore the Jewel of Faramore.
Acquire all power-ups.
Defeat Daimur.
Find all life upgrades.
Complete all side quests.
Find all special coins.
Finish the game with no health upgrades.
Collect all 30 Sacred Candles.
Finish the game without acquiring the Smart Gun.
Finish the game with 100% completion.
Beat every bonus game.
Beat the game on Hero Mode.
Beat the game on Classic Mode.
Clear boss rush mode on any difficulty.
Unlock all other achievements.