Leonel's pupils constricted.
In that moment, it wasn't just about sight. If it was that and that alone, he could take this ability to be nothing more than a parlor trick. With his Internal Sight, why would he care about a little darkness? This cave wasn't exactly well lit to begin with, especially given the sheer size of the space.
However, it wasn't just that.
Leonel felt his senses get cut off one after another. First it was sight, then hearing, then even his touch went. As a final cherry to top it all off, his proprioception was completely cut off.
Leonel's first instinct was to release his Domain, but he restrained himself. This sort of uncomfortable feeling where he wasn't even sure of the relation of his limbs to the other parts of his body even left him suffocating.
Proprioception was such a fundamental sense to the human body that those who lost it wouldn't even be able to walk without watching their feet move.
