“Not sure. Using it is trickier than most people think," I said. "You've got to keep it from drying out, and you've got to get it undiluted. It was raining, so if someone wanted my blood, they'd have had to get to it pretty quick - and it looked like Sith was keeping them busy."

"Sith?" Butters asked.

"Not what you're thinking," I said.

"Oh," he said, clearly disappointed.”