“ Believable magic, like ordinary physicis, operates according to some invariable laws that always result in some kind of cost or 'bounce back'. The grater the magic, the more it should cost the character physically, emotionally, and spiritually.”
“ Elves use nature as strength and borrow from the trees to keep them living. An elf out of the forest for more than a day begins to die and within 3 days is dead without borrowing the strength of nature.”
“ In a savage area, the bodies of the dead are cremated, and their ashes are placed in a hollowed out pod like a gourd or a coconout and tossed into a river to bring good luck to the tribe.”