To understand why a ROM is superior, you must first understand how the Nintendo 3DS handles data.
This method goes deeper. Instead of just removing the outer encryption, a "better" decrypt reorganizes the ExeFS (Executable File System) and RomFS (Read-Only File System) into native, sequential sectors. It neutralizes the NCCH header padding and rebuilds the overlay tables. pokemon ultra sun decrypted better
Many hacks adjust evolution levels (e.g., removing the need to trade to evolve Kadabra) and make rare items like Ability Capsules free or easily accessible. To understand why a ROM is superior, you
You cannot trust random pre-decrypted ROMs from shady sites (malware risk). Do it yourself. Here is the . pokemon ultra sun decrypted better