Why did Egyptians fill the tombs with art jewelry and other treasures?

Egyptians filled tombs with art, jewelry, and other treasures to provide for the deceased in the afterlife, reflecting their belief in immortality. They believed that these items would not only serve as a form of wealth but also offer comfort and protection in the next world. Additionally, the presence of treasures was thought to ensure the deceased's status and favor among the gods. This practice underscored the importance of the afterlife in ancient Egyptian culture.