One of Errol's eyebrows quirked upwards. Librian humor, it seemed, was something mostly to be caught by other Librians.
He hesitated, sorely tempted. "I may need... backup," he said finally. "Not now, but eventually. Once I have more of a plan." Quieter, somewhat flatly, he added, "I don't think she'd like it if I killed them." It was clear that new life or not, he disapproved. He looked back at Preston, his face open as it had never been until there at the very end in Libria. "I appreciate your offer, Preston."