Harry nodded in agreement, but then something else occurred to him, "Last time," he said slowly, "around Christmas, he possessed his snake Nagini to enter the Department of Mysteries, and nearly killed Arthur Weasley - he only lived because I’d entered his mind while I slept. What’s going to happen this time?" he said anxiously, twisting the sheets in his hands, "Nagini is dead! And my shields are stopping me from sharing his thoughts most of the time now!" he stopped fiddling with the duvet when Draco covered his hands with his own.