When they show finally show up, people might believe that Oden and Toki has returned.
.
It's Orochi, who has been watching the entire battle in the shadows.
If you don't have nen, a stand, chakra, a quirk, or the like you will get instantly fucked up by a person who does have those things.
Inuarashi: Huff Huff Orochi thinking to himself :.
There are assumptions that the silhouette could either be Hiyori or Toki.