chambers

To be well in chambers is melancholy, and lonely and selfish enough; but to be ill in chambers—to pass long nights of pain and watchfulness—to long for the morning and the laundress—to serve yourself your own medicine by your own watch—to have no other companion for long hours but your own sickening fancies and fevered thoughts: no kind hand to give you drink if you are thirsty, or to smooth the hot pillow that crumples under you,—this, indeed, is a fate so dismal and tragic, that we shall not enlarge upon its horrors, and shall only heartily pity those bachelors in the Temple, who brave it every day.

So Tyrion hatches one last brilliant scheme in a season full of them, and this one goes exactly as well as all the others, even if it doesn’t look like it at first. He alone takes a meeting with Cersei, in her chambers, with the Mountain ready and waiting to dispatch him.