: Indicates this is a multi-part RAR archive that contains a ZIP file inside once fully reassembled. How to Extract and Combine
: Likely refers to the specific content, potentially related to "Bloodborne" mods (e.g., "Illborne" project) or an Unreal Engine-based mod project. Illborne_ENGr1.3b.zip.part1.rar
You cannot use this file alone. A split archive requires to be present to rebuild the original file. : Indicates this is a multi-part RAR archive
: Suggests the English ("ENG") version or translation, release 1.3b. potentially related to "Bloodborne" mods (e.g.