Board Thread:Theories and Speculation/@comment-34661853-20181111160651/@comment-30323490-20190109181026

Naruto and Sasuke can sense each other even beyond dimensions because of their chakras or six paths. Naruto doesn't need to be in SPSM to sense Sasuke. Sasuke isn't even a sensor yet he can sense Naruto, and only Naruto wherever he is, and vice-versa regardless if Naruto is in base of not.