The Astral Foundation course at Astral Traveler Institute is designed to expand upon the Wake to Projection Blueprint, offering deeper insights and techniques for astral projection. Coaches Kevin Konkolics and Bret Hart guide students through enhancements to the blueprint, focusing on improving focus, refining the use of timers, and mastering the separation stage. The course also debunks common myths, explores interacting with entities, and emphasizes maintaining control and prolonging astral experiences. By following the course sequentially and setting intentions, students can enhance their astral journey and achieve multiple experiences.