Possible future technological advancements in Blue Lock's training could include the implementation of virtual reality (VR) training simulations to enhance players' cognitive and physical skills, the use of advanced biometric sensors to track and analyze players' performance metrics in real-time, the integration of artificial intelligence (AI) algorithms to provide personalized feedback and training programs, and the development of wearable technology to monitor players' movement and technique during training sessions. Additionally, advancements in data analytics and machine learning could be utilized to optimize training strategies and improve overall team performance.