Elsewhere, King Mickey had gotten the last door open as far as he could, his keyblade keeping it from closing on them.

"Ready, Donald?" he asked.

"Ready, your Majesty!" Donald confirmed, raising his wizard staff.

"Then on my mark!" the king said. "Ready... now!"

On his cue, Donald cast the summoning magic through the half-open door, hooking the hearts with the strongest keybearer potential and reeling them in.