A Forest Service worker photographed a fire burning inside a tree

That looks like magic

Why is it purplez?

Is the fire burning in a tree? Or is the tree growing around a fire?

Looks like a book cover

Isn't wood fire normally yellow because of the excess carbon?

Nope, that's clearly demons.

Welcome to Salem.

I've seen these before, they are crazy and scary. The roots of some trees will interconnect and you can have a wildfire burn and the fire will hit a barrier like a road, stream or firefighters stop it. However the sap in the roots will burn/smolder, like coal in a coal mine, and travel through the roots and up another tree until it comes in contact with oxygen and start the fire again.

No, that's the Upside Down. I've seen Stranger Things, I know Barb died in there, you can't fool me.