User blog comment:Yoshifan996/What are the fates of the other 14 Realms?/@comment-27507964-20160131014536

Nadakhan's dad mentioned sister realms which probably means that the realms are paired off. Two realms basically support each other. One cannot survive without the other and will fall into void. Without two the others should be fine, there will just be holes/void where they once were.