What worries me most about that last arc is the possibility that we have to solve the plot before it turns into a sad ending. Eliezer has mentioned the possibil

What worries me most about that last arc is the possibility that we have to solve the plot before it turns into a sad ending. Eliezer has mentioned the possibility before, and even has done something similar before. We may want to read HPMOR again before the last arc goes out, in the hope of gleaning that crucial piece of information that may save the plot.