Mob vs Koyama
When Koyama tries to capture Mob for Claw, he mistakenly kidnaps Ritsu. Mob intervenes to save his brother. Koyama brutalizes Mob with his Telekinetic Helix. Eventually, Mob reaches 100% Animosity, due to the violent abuse that Koyama inflicted on him and his brother. Despite Mob dominating him and beating to a pulp, Koyama does manage to escape with Ritsu. As most Mob Psycho 100 battles this one was highly entertaining and well animated.
Colonel Mustang vs Envy
Mustang encounters Envy, who reveals that he was Hughes killer. Seeking revenge for the killing of Hughes, Mustang goes berserk. He’s complete without mercy as he burns Envy’s tongue. Envy transforms into a grotesque monster, Mustang responses by setting Envy’s eye fluid aflame. Envy realizing Mustang could easily kill him, flees. Envy attempts to confuse Mustang by transforms into Hughes, however, Mustang isn’t fooled. Envy fails to make any headway as Mustang is too good.
Mustang mercilessly burns Envy. Envy try’s to trick Riza, but Envy falls for a trap she sets. She can damage him with her guns, but Envy gets the advantage. When Envy is about to kill her, Mustang furiously attacks him. He burns Envy to the point where Envy reverts to a smaller parasitic form. Riza and Edward manage to stop Mustang from killing Envy. Envy doesn’t comprehend humanity’s ability to have compassion, he starts crying and commits suicide.
Saitama vs Boros
Saitama often defeats his opponents in One Punch, however, Boros is an exception. Saitama’s initial punch destroys the “restraining armor” that Boros wears. After transforming the attacks Saitama. He easily blocks Boros attacks. He finally takes off Boros’s arm. They end up fighting outside. Boros is impressed that Saitama has survived this long. He regenerates, regrowing his arm.
Using Meteoric Burst, he unleashes a torrent of powerful hits on Saitama, eventually knocking him to the moon. None of this effects Saitama. He returns from the moon, finally ready to take Boros seriously. He hit him with “consecutive normal punches” splattering Boros. Using his abilities, Boros returns. Using his strongest move, Collapsing Star Roaring Cannon, he plans to destroy the planet. Finally, Saitama uses Serious Series: Serious Punch, destroying Boros.
Gon vs Pitou
When Gon learns that Kite is dead he snaps. A dark aura surrounds him and Gon transforms. His powers increase to such a level that he rivals the Chimera Ant King. Neferpitou uses her Terpsichora, trying to kill him. Gon vanishes. She gives chase. She attacks him while his back is turned. He dodges, kicks her in the stomach, and uses his Jajanken. He punches with it at point-blank range, sending her into the side of a mountain. He then brutally beats her head in, shattering her skull. Lifeless, Pitou corpse is still able to attack. She rips off Gon’s right arm, he’s unharmed. He finally finishes Pitou with another Jajanken.
Gohan SS2 vs Cell
When Cell crushes Android 16’s head killing him Gohan finally snaps, unleashing his hidden powers. After this power boost Gohan strength and speed increase tremendously, he quickly destroys the Cell Jr’s. Cell and Gohan begin their fight and it appears that Gohan isn’t even trying, he becomes rather cocky. Cell powers up one more time but it doesn’t matter, Gohan is still stronger.
He delivers two devastating punches on Cell, knocks him to his knees. Cell becomes enraged at being dominated by a child, Cell uses a series of the Z fighters attacks. He concludes with a massive Kamehameha aim at destroying the earth, Gohan simply reflects it with his own. Cell is damaged by Gohan’s Kamehameha, but Cell heals himself. Cell increases his size and loses his speed in the process. Gohan continues to damage Cell, resulting in him regurgitating Android 18 and transform back. Gohan is still too cocky and allows Cell to regain the advantage. He still manages to win though.