Worked on the PaperMC/Paper repository to enhance gameplay stability by introducing a new spawn reason, REHYDRATION, for the CreatureSpawnEvent and ensuring that Happy Ghasts utilize this mechanism. Addressed edge-case behavior by refining the event handling for DriedGhastBlock growth and fade, which reduced inconsistencies in block state changes during gameplay. These updates aligned with issue #12788, targeting improved consistency in creature spawning and event processing across server deployments. The work involved backend development and API design using Java, with a focus on robust event handling to deliver more reliable server behavior and smoother gameplay experiences for users and administrators.