u/Impressive_Hat9480

How has no one noticed how the dark worlds for kris and the knight look the same.

We know the soul probably isn't kris's so where would kris's soul be if not our body.

Our vessel.

The prophecy states that the first hero is a cage, with "human soul" and "parts"

Kris's soul. A vessel made of parts. Our vessel.

The dark worlds reflect the will of the creator. If kris's soul was used during the creation of a dark fountain then their will would be reflected in that fountain.

They miss asriel.

Ralsei.

The vessel is the knight. The knight was made in castle town's fountain. It's the only theory that makes sense anymore.

This is why the knight and kris are working together. This is where the cyan soul is. Kris's soul. The one who wants kris back, and to give Us back our body.

Our vessel.

If you have any questions then feel free to ask and i'll answer when i'm awake and can be asked to :3