Here is the full list of all 36 Rogue Islands achievements.
Hold 100 Spirit Dust.
Gain the Vital Twig wand.
Eat 20 food item.
Craft an Imbued Diamond.
Craft a Ship Fuel.
Save yourself from starvation.
Eat 100 food items.
Die 5 times.
Die 10 times.
Spend 5 hours on the islands.
Spend 10 hours on the islands.
Spend 50 hours on the islands.
Defeat The Prime Torment.
Defeat The Prime Torment 3 times.
Defeat The Prime Torment in Nightmare mode.
Defeat The Prime Torment in Hardcore mode.
Unlock all Raw spells.
Unlock and fully upgrade all Raw spells.
Unlock all Earth spells.
Unlock and fully upgrade all Earth spells.
Gain the Charred Switch wand.
Unlock all Fire spells.
Unlock and fully upgrade all Fire spells.
Unlock all Spells.
Unlock and fully upgrade all spells.
Defeat The Silken Mother.
Defeat Horik.
Defeat The Bloat.
Read from a Scroll of Teleportation.
Meditate in Vita's energy.
Craft an Imbued Emerald.
Craft an Imbued Ruby.
Hold 200 Spirit Dust.
Gain maximum Adamant.
Gain maximum Flamestone.
Gain maximum Mana.