[The first thing Oscar will notice, that once he's passed that threshold, the world around him shifts seamlessly into a forest. There is a path to follow and there are stars overhead despite the steep reach of the pines.]

[There are also voices head just over the natural sounds of the woods. As he gets closer he might recognize one of them as Dipper. The other ...? Uncertain, and it doesn't sound like it's speaking back with words, rather than sounds. Either way it sounds like they're having an urgent talk.]

...--No, it's fine like this. If it gets out again, there's no telling what might happen.

[The other entity replies, it's sounds indecipherable.]

I know that, but- look at the damage that's already been done. I'll just ...lock it up tighter, this time.