One of the biggest reasons to avoid torrented versions is the "Free-LC" (Free Downloadable Content). Creative Assembly has released a massive amount of free content that often doesn't integrate well with cracked versions.
: Cracked files are a common vector for viruses or miners that can slow down your PC. Total War: Warhammer Torrent Download
For the best experience, it's recommended to follow the official Total War Blog for news on upcoming free content and sales. One of the biggest reasons to avoid torrented
: Recent updates now allow you to buy specific DLC packs individually for around $9, so you don't have to buy massive bundles you won't use. For the best experience, it's recommended to follow
: You generally cannot play online with friends or participate in ranked matchmaking on a torrented copy. Better Ways to Play for Cheap
If you're looking for a deal, you don't necessarily need to pirate the game:
: Total War: Warhammer III has been available on PC Game Pass, allowing you to play the full game for a small monthly subscription fee.