How did I get in Gravity Falls?

Arrows

Hello again!!
Sorry about the late-ish update I've been busy the past few days!

I'm actually doing something in an hour so let's hope I get this chapter published before then!

((Yeah I couldn't get it published before I went to that thing) Me and a group sang at a football game and I ended up staying 8 hours which is why I'm up at one in the morning trying desperately to update this book.)

ANYWAYS

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Recap:
(In NightShade's POV)

".. How about this, some of us can stay here while the others go to find Will and possibly Amanda and the others, then bring them here, would that work?" One of them asks.

"I guess so.." Another one says.

"So, who's staying and who's going?" The one that spoke first asks, and I decide to make my presence known.

"None of you are going anywhere!" I grin, appearing, flying above all of them.

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---Mabel Pines' POV---

We've been trying to figure what we're gonna do for almost half an hour now...
I hope the others are doing better then we are..

"How about this, some of us can stay here while the others go to find Will and possibly Amanda and the others, then bring them here, would that work?" Evie asks.

"I guess so.." Tristan says.

Everyone else nods in agreement.

"So, who's staying and who's going?" Evie asks, at that moment Dogost suddenly disappears.

'Whats goin' on with him...?' I think to myself, when a bright red flash suddenly fills the room, all of the doors suddenly slamming and fusing into the wall.

"None of you are going anywhere!" A voice yells from above us.

I slowly look up, seeing a man, who looks about Bills age, actually the man had a lot of similarities with the way Bill looks... They actually look almost exactly alike except his clothes were different... Instead of wearing gold and black like Bill does, he was wearing black and red, his hair a bright red color. "Who in the world is that...?"

(I can't remember if they've ever met NightShade but I'm 99% sure they haven't.
But correct me if I'm wrong.)

"I'm not sure but I already don't like him...." MC glares up at the man.

"Agreed." Psychic states.

The man suddenly claps, the sound echoing through the large room. We all look around.
Suddenly the area above us all is filled with red flaming orbs, each one the size of a tree.

Great....

The unknown man snaps and the flaming orbs are catapulted down towards us.

Luckily we all dodge them.

The man growls and bright red fireballs surround the group in a circle, then each race towards all of us at once.

And once again, we all luckily dodge them.

I grin happily, looking at the group, preparing to say something when a fireball races past me, only centimeters away from touching and burning my cheek.