If your 3DS crashes and you lose a character, an editor is the only way to "rebuild" what you lost.
Would you like a step-by-step guide for dumping/restoring the save on 3DS? terraria 3ds inventory editor
There isn't one single "official" editor, but a few community projects have stood the test of time: 1. TerraSavr (Web-Based) If your 3DS crashes and you lose a
Using a Terraria 3DS inventory editor can offer several benefits, including: terraria 3ds inventory editor