The blog owner mentioned consolidating these translations into a single for easier downloading. While the exact "karla 2 - Copy.rar" name appears to be a local copy or a specific version of a downloaded archive, it most likely contains:
: Literal translations of character data for units like Karla, Karel, and others from the Blazing Blade artbooks. karla 2 - Copy.rar
: Discussions on specific dialogue or "mishaps" related to Karla and associated characters like Bartre. karla 2 - Copy.rar
: High-quality or edited scans of original Japanese game art. karla 2 - Copy.rar