[ Oh Darkness and negativity Vanitas can sense. He can soak up the negative emotions like a sponge. Even his Unversed - imaginary or otherwise - still sense it. Still seek it. That doesn't mean he quite knows the how it is that another's heart could be so damaged without context.

The question being made more clear has him pausing, bug in hands. ]

A world is a world. Each one has a different set of rules. Different structure and circumstances. I don't see why I should feel any way about this one yet.