It apparently the only real space-time ninjutsu at Ryūken's disposal. It allowed him to travel between different dimensions and universes and cross over different planes of existence or travel across various forms of reality. User can travel to other planes of existence, myriads of different realities all simultaneously coexisting within the same expanded cosmology. Planes are often multi-layered and likely endless in number, though they are usually organized into local cosmologies centered on a prime nexus plane. Planes and their inhabitants exist in an infinite diversity of forms and natures, and users are bound to meet untold wonders and dangers during their travels, as well as exotic artifacts, arcane knowledge and unique power sources. He can travel to other possible worlds that can o