Nature is just like us. It has different moods, like anger, happiness, and sadness. It can change dramatically if it wants to, and has the power to change others. But the one thing Nature has that we don't, is power itself. Power that can be unleashed in a raging tornado, or a vengeful tsunami. In some cases, you could say, Nature has power over us. But what happens, when a pony discovers it has changed this rule, to dramatic standards.