YouTube user Art from the Machine recently released an AI Mod called Mantella, which successfully integrates voice AI technologies like ChatGPT into the classic open-world game, The Elder Scrolls V: Skyrim. This Mod enables over 1,000 NPCs within the game to engage in intelligent voice interactions. NPCs can now understand player voice inputs based on their own attributes and the game environment, responding in a manner consistent with their character identities. This enhancement significantly elevates the game's immersion and offers open-world games the potential to generate customized content and interactions through AI, pioneering a new model for game content creation. It is poised to fully tap into the game's potential and players' creativity. This case demonstrates that voice AI technology is profoundly influencing game experiences and development patterns, potentially becoming a significant force in the transformation of the gaming industry.