Hunter x Hunter (2011) - episode 89 - 20 Jul, 2013

Knuckle points out that Gon's Jajanken technique has two major weaknesses: that it takes too long to charge and the distribution of aura in his body makes him more vulnerable during said charge. However Gon keeps using it instead, making use of these flaws to confuse his opponent. Unfortunately, just as Gon has a chance to deal a finishing blow, he collapses from exhaustion. Killua than carries Gon away, promising to return the next day for the decisive battle against Knuckle and Shoot. As Gon rests for the upcoming fight, Biscuit approaches Killua spars with him in her most powerful form, exposing his own biggest flaw: Killua always fights on the verge of fleeing. (Source: Wikipedia) Chimera Ant arc: (14/61)