C1784 The Cat That Became the Shadow Emperor 136
What was called a thunderstorm?
This was the rolling of heavenly thunder.
He had thought that it would be abnormal for him to be in heat all of a sudden, but he hadn't thought that there would be something even more abnormal in this plane.
If this was an extremely mystical plane, he could accept it.
Back then, this plane was clearly a very normal modern plane