This update is mandatory for accessing any online features, including the Global Link, Wonder Trade, and Battle Spot. 2. Understanding the Terms World / Region Free:
The room went dark. When the power flickered back on, the 3DS was lying on the floor, the screen cracked. Leo looked at his hand—a small, glowing pixelated burn marked his palm. On the broken screen, a single line of text remained: “World Patched successfully.” pokemon ultra moon update 12 3ds world cia patched
Summary
If you are using a "Patched" CIA (where someone has modified the game to include fan-made changes, translation patches, or ROM hacks like "Rising Sun/Star"), you have to be very careful with updates. This update is mandatory for accessing any online