This is....troublingly like everything Herbert was worried would happen before Peridot ever showed up to prod Ignatius in an important way.

He grabs the blanket because they really can't afford to lose more stuff at this point and runs for the inside of the tuck shop and the back room again. He's also going to close the door if he has time for all the good that will do. If he has to exist as a veiny green skeleton from now on he's going to be so irritated.