"You can hardly imagine," ghem-Naru says, a little dryly, but his expression remains largely neutral. "I believe you understand how this works, but if you have any questions, now's the time. Lieutenant, allergy check?"

The officer at Ratchet's right turns his arm over so he can prick a bit of the solution into Ratchet's forearm. Thirty seconds later, nothing has changed.

"No allergy, sir."