in radiant garden, Terra, or at least what seemed to be him, was standing in the center of the central area, and then, Aqua arrives

Aqua: "Terra?... Is that you?..."

he then extends his hand to her, to then grab her neck and choke her

Terra?: "Who... Am I?...."

she was struggling to breathe

Aqua: "Such a Terrible darkness... Fight it, Terra!..."