Last Ordeal (最終試練) is the 99th episode of the Katekyō Hitman Reborn! anime series.
Yamamoto watches DVDs of Squalo's battles with various swordsmen in order to learn from them. Tsuna's training with Hibari continues, this time with Tsuna trying to use his X-Gloves: Version Vongola Ring to fire off flames. Yamamoto manages to create a tenth technique for the Shigure no Shouen Style. Yamamoto's training is complete.