Cosmology (Appalachia)

Different religions are populare in different places among different groups:

Christianity is the main religion of Appalachia and Europe.
Native American spiritualism is the main religion of Indiana of the Elven Indians.
Islam is the main religion of the Middle Eastern tieflings.
Judaism is the main religion of the aaracokra.
In India, there are 100 races, each of which worships 100 gods.
In Japan, dragons are worshipped as gods.
Moredoor worships evil. It is the location of one of the Hellmouths - In Lost Vegans.

Alignment is not as important in this campaign as my other campaigns. Background and back story is what counts in this campaign.

Mouths to Hell - there is a Hellmouth at the south pole in Antarctica, and a Hellmouth in the city of Lost Vegans. Only the very pure can avoid being sucked into them
Ladders to Heaven - there are ladders to Heaven at the North Pole, and Mount Zion. Only the very pure can ascend them.