It's a trap. He's waiting for you.
3 seconds sound clip from the Halloweentown movie soundboard.
You can hear this line at 01:09:48.834 in the Blu-ray version of the movie.
Quote context
[...]
- What?
- Do you remember what Grandma said about our traditions being an imitation of theirs?
- Well, when it's dark on Halloween, where do you put the candle? Come on.
- You can't be serious. You're not actually thinking of going into that thing.
- I have to. It's the only way to save Mom and Grandma.
- Stay here, And wish me luck.
- It's a trap. He's waiting for you.
- Look, about what happened earlier. I didn't know he was gonna do that to your mom and grandma.
- Save your tricks, twerp, OK? I'm busy.
- No, I swear. He said all he wanted was the talisman and that he'd let your grandma go.
[...]