Wanderers can easily pass between Level 0 and Level 0.1 by simply walking from one section to another. Due to the vastness of Level 0, however, coming across Level 0.1 in its parent level's halls is extremely unlikely. That being said, it has been suggested that the B.N.T.G. may have access to an, as of yet secret, method of reliably encountering Level 0.1 due to the prevalence of material from the sub-level in their possession. Aside from simply travelling back to its parent level, Level 0.1