Hey guys, been awhile :) Here is my Editor for the XBLA game The Legend of Korra.
How to use: !!! Read this part !!!
EDITOR:Code:1. Open your Save in Horizon and click the "Contents" Tab, then right-click the SystemData file in there and select Extract 2. Open the extracted SystemData file into the Editor 3. Mod what you want 4. Replace the SystemData file back into your Save 5. Rehash/Resign 6. PLAY!
NOTE: IF THE EDITOR IS NOT WORKING FOR YOU AND YOU KNOW YOU DID THE STEPS ABOVE CORRECTLY, PLEASE UPLOAD YOUR SAVE SO I CAN LOOK INTO THE PROBLEM!!!
Thanks to feudalnate for PackageIO