Finally, when Malfoy was about to kill Dumbledore, Harry met Snape downstairs, who was about to go up. Snape signaled Harry not to speak, and then went upstairs to kill Dumbledore. At that time, there were Bella, Fenrir and other Death Eaters upstairs. If Snape was really Voldemort's loyal servant, why did he remind Harry not to make a sound? Even if he didn't kill Harry because he wanted to leave him to Voldemort, was it really normal behavior for a Death Eater to do nothing to him? With that in mind, how could Harry be completely unaware of it later?
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