"It's also why cyphers and puzzles don't work: the intention is to obfuscate."

But he'll nod and reach over to pull a small piece of parchment from his desk. Then he'll take a bit of the ash from the bottle and put it at his fingertip. He'll trace a sigil on the paper, and speaks a single word with his finger on the last point:

"Lusbnaraht."

And Jacobi can watch as the symbol is erased, poofing out of existence a moment later.

"As you can see, the components are consumed."