Ran by Gods, Christian God and Satan, but followed by Greek titled Gods too, due to Jehovah and Luicifer's powers. They needed to separate them into different human-like beings, which then brought Hell-Bent Gods and Heaven-Sent Gods.

Extreme Dark Fantasy

When A God Has passed and has no children to past on his or hers reign, they have to pick a worthy mortal.

When a God has left to the shadow realm to rest, their child if over the age of a Demi-God {200-400} will have to swap eyes with the corpses and the corpses shall turn into dust and blow and reach itself it into the mortal realm.

Demi-Gods = Young Gods who still obtain their parents.
God = A Powerful magical Male ascendance from Jehovah or Lucifer.
Goddess = A female powerful magical female asendance from Jehovah or Lucifer.

A Goddess can die during child birth,
Gods can die from wounds, fatal attacks and diseases, but not old age.

Gods can obtain more than one rank, (eg: Goddess of Chaos and Death.)

Only higher Gods can ONLY obtain magics, depending on their titles.

Normal technology has now.

Gods do not have access of this though.