"No, not really." He didn't need her help for anything. He could think on his own. But really, who better to turn to for dark arts then Bellatrix Lestrange? There wasn't anyone better, save for a previous actual dark lord.
Albus followed her into the cave, not getting terribly close to her, lest she go against the little agreement he had made between them. She hadn't given her word, but she had turned away and made it pretty clear she didn't really plan on hurting him. "Did you really attack Ravenclaw? Why?" He wanted a good answer, a real intriguing answer that made him think and realize why he was making the right decision to study the dark arts.