Pokemon Battle Revolution Wii Pal-wbfs.rar.rar < Pro >

The term you're looking at seems to refer to a file format or package related to Wii game backups or rips:

This is the most technical part of the name. The extension .rar indicates a compressed archive (similar to a .zip file). Pokemon Battle Revolution WII PAL-WBFS.rar.rar

The file you've mentioned, ending in .rar.rar, suggests a compressed archive file. The .rar format is used for compressing and archiving files, similar to .zip files. A .rar.rar file implies that it's a RAR archive that's been further compressed or archived, possibly indicating multiple layers of compression. The term you're looking at seems to refer