“ Magic is addictive, small spells are like cannabis in addictiveness, major ones are like cocaine or herion. Many countrys ban even cantrips as a result.”
“ In one region of a forest, all of the trees are identical, down to the leaves and the twigs. If the PCs carve something into one of the trees, it could mystically propigate until it covered all of the trees, or could vanish since it was not carved into the one true tree.”