S4·E99 The Final Trial
Aired September 13, 2008
Synopsis
Yamamoto watches DVDs of Squalo's battles swordsman in order to learn from them. Tsuna's training with Hibari continues, this time, he tries to use his Vongola Gloves to fire off flames. Yamamoto manages to create a tenth technique for the Shigure no Shouen Style. Yamamoto's training is complete.