Generation of God associated with the skills of city people.
God of Vengeance: many people with intelligence below 50.
God of Mercy:many people with wisdom above 80 and intelligence above 50.
God of Forgiveness:many people with intelligence above 70.
The names could be multiple and refer to a single God.
Numbers and skills are provisional
Magic
Sorcery
Astrology
Alchemy: LINK1
[This is an ancient alchemy and I'm proud of it... Formula: attempt1+attempt2+attempts_X=procedural map generation+zero knowledge]
Aliens
The time Machine link1
Legends tells of many dwarves who built the city many years ago. link1
Ghosts
Witches
Superheroes