Through the CourtnAI project, the Lower Saxony Ministry of Justice and World of VR GmbH are demonstrating how the combination of virtual reality and modern AI models is modernising legal education and training and enhancing it with practical applications. The presentation examines the project from two perspectives: It presents specific professional use cases in everyday legal practice whilst also providing practical insights into the technical implementation – from software architecture and the integration of AI models to the practical challenges of immersive legal applications.