If this file was found on a site like the Internet Archive , it might specifically be a backup for the PlayStation Vita or Xbox 360 versions, which includes:
Text and dialogue files for different languages (English, French, Italian, etc.), which are notable because all dialogue in the game is written in rhyme. Configuration and System Files Child.of.Light.rar
Often includes a Redist folder containing installers for software like DirectX or Visual C++ that are required to run the game. If this file was found on a site
Additional content like the "Golem's Plight" pack or unique "Stardust" skins. Child.of.Light.rar
A .txt or .pdf file providing installation instructions or basic gameplay tips. Metadata (If sourced from Archive)