C1342 Jinchuuriki Appears 5000 Words(2)

This was all thanks to Naruto Uzumaki's use of the Mouth Cannon to defeat his opponent. Otherwise, it would have taken a lot more effort to deal with the long door.

Don't think that seeing the weakened state of the long door meant that it had no ability to fight back. That was only because the long door had been defeated by the main character's halo. That was why it had sought its own death