This was my submission for the contest (https://cgboost.com/power-of-nature-challenge/) by CG Boost
"I was lost traveling in the night amid the reassuring light of the fireflies when I suddenly felt a sense of discomfort as the stones I was observing began to light up with strange symbols. As I approached, the clouds began to pile up above the stone building and soon after a lightning bolt fell right in the center of the clearing... "
As soon as I read Power of Nature, my mind figured a giant thunder, so I started learning how to do it and built upon that.
I added fireflies to give a sense of calmness that contrasts with the strength of lightning.