Throughout your journey, you'll discover various key items and artifacts. These often serve specific purposes, unlock new technologies, or are required for main quests. Blueprints are critical key items that unlock new crafting recipes. Ancient Relics, found in Underwater Ruins, can be traded for rare resources or used to activate ancient machinery. Message in a Bottle collectibles provide lore and sometimes hints. Always keep an eye out for unique items, as they often hold the key to progression or valuable rewards. Store them safely in a dedicated chest.
