Harlan has been severely burned by an exploding vampire. The dialogue begins on page 80:
(Baldwyn) “How could this happen?”
(Tesla) “Harlan bit that undead. By drinking its blood, he could read its mind. But Condor destroyed his slave right then.”
“Emil…”
(Kurjak) “Don't talk, friend. Don't force yourself. I'll take care of you.” (They find Harlan a bed and wrap his head in bandages.) “Maybe he discovered something important, but at a high price. He’s asking for a pen to write with because he can't speak.”
(Guerrero) “So, Erwin? What's wrong with you? Impressed? Do you regret making fun of Harlan and his friends?”
“Harlan Draka is tough, I admit. But he's also a fool. In this state, his chances of defeating the Master are practically zero. And it's also foolish that you haven't tied me back up.”
“Do you want to kill us, Erwin, now that you've weakened us? Was that your plan? Eliminate useless undead to give us a false sense of security and then finish us off and get back into your Master's good graces?”
“Is that your suggestion for what I should do, guitarist?”
“Why that tone of contempt? You play the guitar too...”
“But I'm a killer; with these hands I could break your neck in an instant, Ernesto.”
“Even if you kill us all, the Condor won't spare you.”
“Maybe.”
“So why not make the really right choice? Have you ever read Miguel Hernandez's poems, Erwin?”
“He was a communist poet, right? Why would I have read them?”
“Onion Lullaby was his poem, set to music. The verse you sang tonight was never recorded by Juan Lopez. How do you know those verses by heart, Erwin Rogers?”