A growling sound fills your ears. Up rises a monster, water streaming off its shiny polished scales, talons as sharp as knives, teeth as long as a booster seat.
It turns its gigantic head this way and that, as if flexing its neck muscles. Why doesn't it flex other muscles? you wonder. Then, you realize it hasn't got any other muscles. It is harmless, really.
Then, it spots you. You are puny compared to it.