Monster #: 67,789
What Is It: A monster from a different dimension.
What Does It Want: To find out what's in other dimension.
So the Swirly Thing: Yep, a portal to another dimension.
Like the One in "Beastmaster 2: Through the Portal of Time": No, that's a portal of time, you idiot. We're talking a portal to another dimension.
Oh, Sorry: Yeah, well, you should be.