I had a theory about the Snarl...

[Manga Shoggoth]

Rather, it's a sort of naturally-occurring logic storm, that resulted (as mentioned) from the gods being in disagreement with one another.

If the Snarl isn't a big monster, what killed Mijung?

A Logic Probe?

(I know ... I was trying to get "Logic Bomb" in there, but couldn't make it fit...)