As the Heartless attempted to jerk back toward Tsubaki, the chain encasing him shifted around, wrapping up in his legs and sending him to the floor. When he hit the ground it was oddly silent, as if the ground had absorbed the sound, and he made no noises of pain.

The shouting around him was a distraction, but the words meant nothing and any attempts to reason with him were completely pointless. While the Heartless was completely tied up in the chain at this point, being flush against the floor gave it an idea. Because Heartless didn't have the same relationship with solid surfaces that people did.

Simply put, the thing that had once been Sora suddenly sank into the floor, turning into a black pool as it shifted across the ground, closer to Tsubaki. And when it re-materialized, it would be close enough to attack...