Iron Carapace is the eighth rare resource in the game. It can be found in following dungeons : 1 in Haunted Forest, lasts 15 minutes 1-2 in Ancient Ruins, lasts 45 minutes 1-3 in Pirate's Cove, lasts 1 hour 2-3 in Desert of Doom, lasts 1 hour and 15 minutes 2-4 in Plague Lake