Worked on Project_SkyPower by delivering two documentation-driven feature areas focused on system planning and gameplay design. Emphasized structured project management and diagramming to establish a clear baseline for cross-team collaboration and onboarding. Updated system planning and project design documentation, including planning Excel sheets, asset lists, and data tables, while centralizing resources for easier access. Developed detailed skill and gameplay design documentation, incorporating character skills and ultimate skill flowcharts to clarify gameplay logic. Utilized XML for structured data representation and provided multilingual documentation support, including Korean entries. No bugs were fixed during this period, with efforts concentrated on documentation quality and governance.