Roxas didn't know what he was going to see. He didn't want to close his eyes but the moment Yen Sid cast his spell he went out easier than flipping a light switch. He was still in an anticipatory moment where he wondered over each little horror he could face.
Then again, his short life wasn't exactly praise-worthy. What fear was left that he already hadn't faced? What more could he lose? He felt himself quake at the thought of losing Axel and Xion again. Or maybe he'd be forced back into anonymity. Just a nondescript facet of Sora who never truly belonged anywhere.
It was then he quietly realized just what fear was presenting itself to him:
Nothing.
The unknown.
Roxas seized up in terror. He realized just what nothing meant, he realized what the things he didn't know for sure meant. He realized just what exactly sent his mind into sheer panic. He screamed. He yelled. He ran through the nothing to try and find someone, anyone, even someTHING. Something to tell him he was still alive, still himself, to give himself bearings that he was still Roxas, still alive.
And with that Roxas was the first to wake.
Yen Sid stood from his desk, "Either you are bold without compare, afraid of nothing, or something has gone terribly wrong..."
Roxas sat up and began crying. His breaths became faster and faster, and he tried to slow it down, but he couldn't it was closing in on him and crushing him and destroying him-
"Calm down... Calm, Roxas, it was just a dream." Yen Sid ran his old, weathered, and immensely comforting hand down Roxas's back.
Roxas grabbed at him. "N-nothing!" He choked out through his tears, "That's exactly it!"
Yen Sid quietly removed Roxas's shaking and vice-like hands, "Nothing?"
Roxas nodded, "Nothing! Nothing, the unknown, the things I don't know and can't predict!"
Yen Sid patted his back again, "Well, there is no counsel I can provide for such a fear."
"Counsel?" Roxas asked as Yen Sid went back to his desk.
The old man sat down with a heavy sigh, "The purpose is to find weak links within your hearts unknown even to yourselves, then to provide counseling to strengthen such a link."
He drummed his fingers softly with a worried pace, "And with your fear being one of unknowns, the best I can say is for you to be as prepared as possible."