The promise helped a lot, but Dorian was still shaking with guilt and fear. This man figured the only way to save people was to put his life on the line - how selfless! And while Dorian greatly admired L, he was much more fretful of his life, of his happiness.
"Then we shall ever be in service to you." Quigby finally responded, bending into another small bow. "We volunteer to assist in any manner we can."
Twirling his cane one last time, Quigby nodded, happy for the change of topic. "There are two others - Granny and Jarded. Which would you like to meet first?"