[Again, he fiddles with the sword and the wires, the battery, the other pieces. Some of it, he discards off on the bench. Others, he brings over, puts them away. Tries again.]

The rinnegan merely opens a portal. More than one person can potentially go through, more than just me. Stabilizing it will just cost more chakra.

[He pauses long enough to reach up and rub the tips of his fingers tiredly over the socket of his good eye while he thinks.]

It gives me access to the Six Paths. Deva, Asura, Human, Animal, Preta, Naraka, and an additional path, Outer. The last path...

...has properties of life and death.