Charlely Delgrange enhanced the mob data ingestion model in the rathena/rathena repository by implementing parsing and attachment of GroupId and Title fields within the mob_read_sqldb_sub path. Using C++ and database integration skills, Charlely enriched the mob data structure to support more accurate grouping and richer metadata for downstream analytics and gameplay features. The work focused on improving data integrity and reducing gaps in the sqldb ingestion process, ensuring that new fields are properly parsed and attached to node objects. This targeted feature development demonstrated a focused, in-depth approach to backend data modeling within a complex C++ codebase.