Last Ordeal is the 99th episode of the Katekyo Hitman Reborn! anime.
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.