Quests from the bounty hunter page
Portals
Quests from the Merchant page
More Portals
Defensive creations
Quests from the Farming Page
Quests from the blacksmith page
This is how you'll expand your island, and probably what will use up all your torches.
Mobs that ignore light levels
Magma, Nitronite, Dilithium, Lava
Quests from the Adventurer page
Quests from the Engineer page
Quests from the Embers page