On the XBox, as in the PC version, there are two different save files for Terraria: Characters and Worlds. To duplicate an item, put it into any chest and save your game. Go to the storage area and find the Worlds file for Terraria. Copy it to a USB device. Go back into Terraria and remove the item you want to duplicate (you can actually do it with multiple items). Save the game and exit. Go into Storage and copy the Worlds file from the USB drive onto the hard drive, the system will ask if you wish to overwite, say yes. Go back into the game. Since the Characters file saves everything on your character and the Worlds file saves everything else you will notice the item you wish to duplicate in on your character and in the chest. Rinse and repeat as much as you want.
Contributed By: wootl.
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