"Oh dear, if Ford hears you say that he's going to ask if you know Probabilitor the Annoying, and if you say no, he's going to launch into how much he hates the use of the word 'magic' as a catch-all for everything but sleight-of-hand, to 'I know that happened but I don't understand how', to demonic influence, to any of a thousand different disciplines with different rules." Valiska chuckles.

"If you know about magical disciplines, you know that people make use of many kinds of energy to produce the effects. Each of the lenses blocks out different forms of energy so that when I look at you, I can determine which kinds of energy are active and what patterns they form. And I'm not seeing the patterns I'm familiar with when Bill is involved."

[At least I'm assuming she isn't. Feel free to correct me, but since your character is not from Gravity Falls or a related universe, I'm assuming there's a very good chance he has not encountered Bill Cipher or any of the other second-dimension triangular demiurges. If I'm wrong PM me and we'll work out what this post should say instead!]