What did he mean by stating he could still try to bring Bellatrix back? That required the use of extremely Dark magic, similar to what the Dark Lord used to give him back a body. Except much, much worse. Hermione didn't want to believe that it was possible that Rodolphus was trying to resurrect Bellatrix, but he certainly was crazy enough to try it. How would that even work? The logistics of such an abomination of nature threatened to do her head in.