Heaven

In most religions, Heaven is a transcendental realm in which people who have died continue to exist in an afterlife. The term “heaven” may refer to the physical heavens, the sky or the seemingly endless expanse of the universe beyond, which is the traditional literal meaning of the term in English.

Cerberus

Cerberus (pronounced /ˈsɜrbərəs/1), or Kerberos, (Greek: Κέρβερος) is a multi-headed hound (usually three-headed) which guards the gates of Hades, to prevent those who have crossed the river Styx from ever escaping.