It's not any of Tifa's weapons, 8 Inch Cannon or Grappling Gun.

It's an item you can only get at (SPOILER)Fort Condor.

hollieholliehollie, you seem to have found the Reply button fine. In this thread, you're guessing the riddle posted by the person who got the last riddle correct. If you guess correctly, you can post your own riddle.