Rafael Caballero developed a core dialogue system and quest dialogue design framework for the pacalso-jjc/2425-2nd-cc3-1b-rpg repository, focusing on scalable narrative infrastructure. He implemented a DialogueManager class using object-oriented principles to centralize dialogue flow, state management, and player interactions, supporting modular quest content. Rafael documented quest dialogue trees for Sub Quest #4 and Side Quest #2 in Markdown, outlining branching options and progression paths. His work emphasized maintainable architecture and designer-friendly documentation, enabling faster iteration and improved QA for future quests. Throughout the project, he demonstrated skills in game design, narrative design, and collaborative version control, delivering foundational narrative tools.