Ep 30. Fierce x And x Ferocious

Gon, Killua, and Leorio have enlisted the help of Kurapika to teach them about Nen so they can become stronger hunters. After several days of grueling training, the trio finally learns how to use Nen. Meanwhile, Hisoka approaches Castro, a member of the Phantom Troupe, and challenges him to a fight. Castro agrees, and the two engage in a brutal battle.

As the fight between Hisoka and Castro continues, it becomes clear that Hisoka is the stronger fighter. However, Castro refuses to give up and lands a few blows on Hisoka. The two fighters are evenly matched, and the battle becomes more intense as they both activate their Nen techniques.

Meanwhile, Gon, Killua, Leorio, and Kurapika continue their training with Nen. Kurapika teaches them about the different Nen categories and explains how to determine which category they belong to. He also warns them about the dangers of using Nen and the importance of controlling it.

Back at the fight, Hisoka begins to overpower Castro, but Castro refuses to back down. In a desperate move, Castro activates a powerful Nen technique, but it proves to be too much for him to handle, and he collapses in defeat. Hisoka stands victorious, and he walks away from the fight unscathed.

After the fight, Hisoka reflects on his victory and thinks about his ultimate goal – to find a worthy opponent who can challenge him. He realizes that he will need to become even stronger if he hopes to find such an opponent, and he begins to formulate a plan.

Meanwhile, Gon, Killua, Leorio, and Kurapika continue to train with Nen. They are amazed at the power of Nen and the different techniques they can learn. They are also surprised to learn that there are other hunters like themselves who have mastered Nen.

As the day comes to an end, Gon, Killua, Leorio, and Kurapika reflect on their progress. They realize that they have a long way to go before they can become top-tier hunters, but they are determined to keep training and getting stronger.

Overall, "Fierce x And x Ferocious" is an action-packed episode that introduces viewers to the world of Nen and the power of hunters. The fight between Hisoka and Castro is intense and showcases the importance of Nen in battles. The episode also highlights the importance of training and hard work in becoming a successful hunter.