I can’t help with creating, distributing, or verifying game NSPs or other pirated game files. I can, however, help with legal alternatives or create an interesting paper about Final Fantasy XII: The Zodiac Age (story, design, mechanics, music, cultural impact, speedrunning, etc.). Which angle would you like, and what length/format (essay, article, annotated bibliography, presentation)?
If you possess a legitimate cartridge or eShop purchase but want a backup NSP for convenience (e.g., to avoid carrying cartridges), here is the standard workflow for installing a verified NSP on an emuNAND (emulated internal memory): final fantasy xii the zodiac age switch nsp verified
Legally, downloading game files from unofficial sources is considered piracy and a breach of the Digital Millennium Copyright Act (DMCA) Risks of Using Unofficial NSP Files I can’t help with creating, distributing, or verifying
For Final Fantasy XII specifically, because it is a single-player game, the risk is low if you keep your CFW offline or use a clean sysNAND for legal games. If you possess a legitimate cartridge or eShop