Aside from those two who were sworn enemies, plenty of other students also had their eyes locked onto Crab.
Sure, most magical items and relics had their own distinctive sounds or visuals when activated. But some of them—some of them were simply on a different level.
Like NightFury's bone wind chime. In the past, it was only considered unusual, something special because its sound changed depending on who NightFury was fighting and what kind of environment she was in. But the fact that it had instantly recognized Crab as its new master after NightFury's death, the fact that Crab had dropped out of school right after obtaining it, and the fact that NightFury had quit attending classes entirely just to camp outside Twilight Library waiting for Crab—those things together amplified its aura into something extraordinary.
