When you see "138.rar" associated with this update, it usually refers to the compressed archive used to distribute the NSP file. Compression is vital for:
Better netcode stability for smoother transition between offline practice and online ranked matches. dragon ball fighterz nspupdate 138rar better
Reducing the file size makes it easier for players with varied internet speeds to access the content. When you see "138
The "better" aspect of 1.38 often refers to the meta-adjustments. Arc System Works has a reputation for fine-tuning their roster to ensure no single character becomes overwhelmingly dominant. Update 1.38 introduces: dragon ball fighterz nspupdate 138rar better