Nightclan... They were discovered just recently on an island off from forestclan. Rumor had always been whispered of this clan and now the story has become reality... Here is there story:
It was recently a flood (Minor) Hit the territory of forestclan, it didnt reach their camp, but it knocked down a few huge trees, landing on the adjacent island where nightclan lived... A few forestclan went over to explore this region... later found it was the rumoured fifth clan.