Kenbunshoku (Haki)

Kenbunshoku haki (見聞色の覇気 Kenbun-shoku no Haki )

Kenbunshoku Haki, also known as Mantra ( Mantora, literally meaning "Mind Rope") on Skypiea, is a form of Haki that allows the user to sense the presence of others, even if they are concealed from view or too far to see naturally