The egyptian god of the underworld who had the head of jackal was

The Egyptian god of the underworld who had the head of jackal was Anubis.

The Egyptian god was Anubis

Generally spontaneous human combustion is something that still bewilders some, human combustion happens very rarely and doesn't affect the surrounding areas, so unless you want to set your self on fire, human combustion will remain spontaneous and very rare.

Create it and find things around your house to make it .