“ 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.”
“ is a lovely golden necklace that gradually transforms its wearer's skin into gold. Given enough time, this will prove fatal, but the wearer cannot remove the deadly jewelry without assistance. Some might be cruel and greedy enough to leave it on its victim...”
“ Imagine a tribe of nomads where all the males have the blessing of being were-stallions. The tribe would not need to have ordinary horses to move around, all mounted warriors would be female and a curious custom could be that when a couple gets married, the girl rides her chosen to the altar.”