Since the 3DS version does not have a built-in "Journey Mode," players rely on external save editors to modify character data.
To edit your inventory in for the 3DS, you can use specialized homebrew tools or manual hex editing of your save files. Recommended Inventory Editors TerraInveditThreedee
Modding the Legacy: A Guide to Terraria 3DS Inventory Editing If you're still rocking
As with any third-party software, it's essential to exercise caution when using the Terraria 3DS Inventory Editor:
