Cloud stiffens immediately at the sound of that voice. He'd know it anywhere.

"Sephiroth." He jumps to his feet and whirls, taking his sword into his hands. "Did you follow me? Or..."

Or has he been here the whole time Cloud has been out there searching for him, doing who knows what? Cloud silently curses himself for his selfishness. Coming out here instead of going to see his friends...what if Sephiroth's done something to them? Taken them captive, or worse?

He takes a menacing step forward - just one. "Why are you here? What have you done?"