(Sock opera.. But if Dipper had summoned Bill, desperate and willing)

You speak the words. The symbols burn cold. A ripple tears through the air like glass cracking. And then—

The candle flares. Shadows pulse.

A hand stretches from the triangle, golden and burning at edges like the sun through closed eyes.

"WELL WELL WELL!"

The voice is velvet and venom.

"Isn’t this a surprise! I usually make house calls uninvited, but you? You rolled out the red carpet!"