Why does the master decide to help the door continue their quest to recover their treasure?

The master decides to help the door continue their quest to recover their treasure because he recognizes the potential for growth and learning in the journey. By supporting the door, he fosters teamwork and collaboration, which are essential for overcoming challenges. Additionally, he understands that the treasure symbolizes more than just material wealth; it represents personal development and the fulfillment of their collective goals. Ultimately, his decision reflects a commitment to guiding and empowering others on their path.