I WONDER - Could Ancient Egyptian Slaves Earn Their Freedom?

The video discusses various ways slaves could gain freedom, such as through manumission, being freed by their masters as a gift or reward, or upon the master's death to serve in the afterlife. However, it highlights that freedom was rare, and most slaves lived their entire lives in bondage.

What was a rare occurrence for slaves regarding their freedom?

What happened to some slaves upon the death of their master?