In episode 2, Yu punches Yosuke at this point to snap him out of his Heroic BSOD. Which quickly turns from awesome to hilarious when Yu deadpans, "Oops, wrong guy." (Yu being Yu, it's hard to tell if he's serious or not, but it's still awesome either way.)
Things look grim during the fight against Shadow Chie... until Yu breaks out the Wild Card ability and summons PYRO JACK. Needless to say, ass-kicking ensues.
Probably the best part is when Yu and Yosuke finish off Shadow Chie with a team-attack.
The Shadow Yukiko fight. That is all.
Chie snapping Yukiko out of her Heroic BSOD in the middle of the room, which is engulfed in flame. THAT is all.
Even as a Breather Episode, Yu Narukami still gets one when he clears two Social Links in April! Something that should not even be possible in gameplay, he pulls it off in the anime with no sweat! The end of the episode just confirms it when he is holding two Persona cards (Moon and Strength).
As if that wasn't awesome enough, during the summer vacation, Yu clears no less than five Social Links - specifically Hermit, Tower, Death, Temperance and Devil. Why? So he can get enough money to buy Nanako a new umbrella after she gave her old one to the fox.
Narukami fusing his personas in the middle of the battle was pretty epic too. Oh and he summons Yamata-no-Orochi.
Kanji summons his Persona for the first time (By freaking UPPERCUTTING the card) and proceeds to bulldoze through the Mooks Shadow Rise left behind(before this, the others weren't hitting, due to elemental properties blocking the attacks.)
Teddie going boom to beat Shadow Rise..by WALKING THROUGH her BFG. Prior to that we see Shadow Rise's attempt at scanning him. One of the boxes translates as "Isn't this kinda bad?" since she can't get a reading.
Rise also summons her Persona for the first time, using her analyzing feature to allow Izanagi to ONESHOT Shadow Teddie by puncturing Ameno-Sagiri hiding inside him. That's right, this hard boss in the game just got beat with ONE blow.
Yu saves Nanako from an angry customer who turns out to be Mitsuo, King Moron's murderer. Then it quickly turns into a CMOF after Yu remembers why he was at Junes in the first place.
Also, Kanji and Chie immediately jumping to Yukiko's defense when she's harrassed by Mitsuo, the same dude that harrassed Nanako.
The Shadow Mitsuo battle. Every second of it, from Yu's friends stopping him from forming his shell, to Yu summoning Makami, King Frost, High Pixie, Pyro Jack, Yamato-no-Orochi, Leanan Sidhe, Rakshasa and Ara Mitama in rapid succession to ward off Shadow Mitsuo's attacks, before finishing him off with Izanagi. All of it set to the Reincarnation version of I'll Face Myself.
Especially the line he delivers right before launching his attack: "I am not empty!" (In response to the Shadow telling him that he was empty, had no bonds, and that his friendships were an illusion.) And in the dub: "I am FAR... from empty!"
Even more awesome when you realize that each of the Personae that are being used are from a different Social Link arcana that Yu's established. He's using the bonds that the Shadow claimed he didn't have to beat him down!
It also rather nicely emphasizes Yu's Wild Card ability. Prior to this, most of the battles only features Yu using a few Personae at a time, and often only Izanagi. Seeing the full power of the Wild Card is very impressive.
Yu vs. the Guardian of the Samegawa. In the game, this is an incredibly annoying task which will take multiple days. In the anime, Yu spends the day trying to catch it before deciding to pull out his glasses, dramatically throw them on, and drag the fish out while Reach Out to the Truth plays in the background. The only question remaining being why was this not possible in the game?
Plus, he apparently summons Izanagi (he's seen summoning, but the Persona summoned is not shown) to blast the fish out of the water. Yes, he summoned a Persona outside of the TV world.
Actually, it would seem more like (and this is supported by the Amagi Inn episode where he does it again) he just shouts "Persona!" as a battle cry to psych himself up. Which means he pulled that fish out entirely on his own.
Yu once again fuses mid battle, this time with SIX different arcana, allowing him to summon Beelzebub of the Devil Arcana at level 87, which promptly begins to utterly destroy Naoto's shadow with the almighty spell Megidolaon.
It didn't just destroy Shadow Naoto, it demolished the whole dungeon!
In addition, Kanji going full on Determinator, continuing to fight against Naoto's Shadow despite getting repeatedly blown back. The shadow eventually has to level a constant stream of ray gun fire on Taki-Mikazuchi just to shut Kanji down, allowing Beelzebub to ambush her from behind and smash her into the wall hard enough to leave a crater.
Teddie gets a minor one when he uses "Energy Shower", rejuvenating himself, Yu, and Youske and effectively turning the tide of the battle
Episode 20: Yukiko basically telling the reporters to "get the hell out of her inn" was pretty badass considering how she usually acts.
Episode 21: Rise and Teddie get theirs when they do their best to calm Yuu down after he goes in an Heroic BSOD. Considering that this happened not just after Nanako was kidnapped and thrown into the Midnight Channel, but after finding the kidnapper's truck, but neither Nanako nor the culprit are there — and Doujima has been seriously injured. The fact that both of them managed to pull this off despite how it keeps getting worse and worse speaks volumes about the strength their wills.
First, Kunino-Sagiri takes control of Yu, which obviously causes a few problems. But not only are the rest of the Investigation Team able to stop Beelzebub from unleashing Megidoloan, but after seeing Nanako fall, Yu grabs the Mind-Control Device and breaks it with the hand (Badly burning his own hand in the process) wearing Nanako's Bead Ring, just in time to catch her.
So what does Kunino-Sagiri do next? Control everyone else. Solution? Fuse the ultimate Hierophant Persona, Kohryu (bonus points for Kunino-Sagiri actually recognizing Kohryu, sounding afraid) with the help of the spirit of Dojima to break everyone's control, allowing them to take credit for once for destroying the boss. With the mostly pretty weak Teddie being the one that delivers the Coup de Grāce, Kintoki-douji popping his tomahawk missile on Kunino's chest.
Finally, Kunio-Sagiri's defeat unleashes a vortex of many shadows. The bond with Nanako allows Yu to summon the ultimate Justice Persona, Sraosha. Two Words. Dat Mahamaon.
The Investigation Team holding off three Reapers, while Yu preapres to duel the true killer one-on-one.
Kanji's persona Tackles one of the Reapers
Yukiko: "I'm going to watch you BURN!"
A villainous example, too: Adachi was regarded as something of a pushover in his boss fight from the game. Here, he is controlling three Reapers!
Yu keeping his cool though the killer's Hannibal Lecture, then delivering a short but effective response.
Yosuke manages to pull off a surprisingly good Death Glare alongside Yu when they confront Adachi in the hospital.
Episode 25 is amazing. Everyone gets their own moment in an epicShut Up, Hannibal! to the true killer.
Yu's utterly Badass line that kicks the whole thing off.
Yu: I've heard enough; It's all Bullshit! No matter what you say, you won't get away with this! And that, Is the TRUTH!
Chie takes out one of the Reapers by smashing it with God Hand.
Teddie destroys another Reaper, Kintoki-douji hammering it with his tomahawk missile so hard the thing actually crumples on impact before detonating.
Which comes right on the tail of Yosuke delivering his epic "You're just a worthless criminal!" line, this time accompanied by a massive Garudyne attack. Badass.
Izanagi vs. Magatsu Izanagi. After spending the episode getting beaten down by its dark counterpart, and lying restrained on the floor... Adachi's about to finish Yu off, but our hero manages to struggle to his feet and shove Adachi's gun away... the Heroic Resolve gives Izanagi a second wind, instantly healing his wounds as he turns the tables on Magatsu with a well aimed punch to the face. Adachi finally snaps and loses it, then tries to make good on his death threats by emptying his gun at Yu while Magatsu unleashes a powerful lightning strike. Thinking he's won Adachi starts to gloat, only for Izanagi to burst out of the smoke just as "Reach Out to the Truth" starts to play. In the ensuing clash, Magatsu loses its weapon, then Izanagi dual wields it with his own and beats down his opposite number, finishing it by stabbing Magatsu Izanagi through the head.
before the stab to the face, Izanagi uses Magatsu's own sword to slice it in half!
Shove the gun away? Yu was daring Adachi to shoot him.
Oh Crap doesn't even come close to describing Adachi's expression after the smoke clears and Yu is standing behind him completely unharmed.
And, of course, the defeat of Ameno-Sagiri is a sight to behold. After it wipes the floor with everyone, it tries absorbing Yu into itself... at which point, everyone (except Yu, of course) attains their ultimate Persona, and bring Ameno-Sagiri to a halt... at which point, Yu summons Lucifer to finish it off.
Ameno-sagiri tries to blast Lucifer with God's Judgment, a light attack the boss has in the game. Lucifer repels the attack and grimly stares down the petulant eyeball before shattering it to pieces.
The True End
Yu's battle against Margaret. The fight occurs as Yu's friends are swallowed by Izanami-No-Okami, and he's trapped in a Heroic BSOD-induced "Groundhog Day" Loop. Margaret slaps Yu to snap him out of it, and summons Helel, knocking Yu to the ground. As Helel launches Maragidyne, Sarosha summons itself, with Nanako's voice being heard. One by one, Yu summons his other Personas, hearing words of inspiration from the people he formed bonds with as he continuously counters Margaret's attacks. This culminates into Yu facing his Shadow, accepting that, while he does fear losing his friends, he knows that he'll never be alone, which grants him Izanagi-no-Okami. In other words, a mix of the Margaret battle, and the words of encouragement you got before you acquired Izanagi-No-Okami in the game.
One thing that must be noted during this fight: Rakshasa STOPSFREAKINGHassou Tobi! An explanation might be in order for those who haven't played the game yet. Hassou Tobi is an attack unique to Yoshitsune, the highest Persona of the Tower Arcana, that does eight hits of light physical damage. However, Yoshitsune's strength is through the roof, so "light" is not the best word to describe this attack's damage output. Yoshitsune can also learn Heat Riser and Power Charge, which ramp up the damage on this attack even more. A fully charged Hassou Tobi from a Level 90+ Yoshitsune can one-shot nearly everything in the first third of the game, obliterate entire fields of mook shadows not immune to physical damage faster than Hama/Mudo, and slice visible chunks off the health bars of the Reaper, the Sagiris, Izanami, and even Margaret. It's the most powerful physical attack in the entire game, and little Rakshasa, who in the game is one of the weaker Personas and starts at level 16, completely BLOCKS it. You have to wonder if Margaret internally flinched at seeing that feat.
Yu vs Izanami-No-Okami. As Yu returns to take down Izanami, now in her true form, she merely decides to pull the same trick on him. Yu calmly begins walking towards her, and as the shadow arms lash out at him...it doesn't work. Cue a quiet Oh Crap on Izanami's part when she realizes the desire of nearly all mankind can't stop him. She then decides to literally bring the thunder, raining lightning down on Yu's head, one of her most powerful attacks. Yu keeps on walkinng in what has to be THE most badass Unflinching Walk ever witnessed—a bolt of lightning crashes down so close it breaks the lens on his glasses, but he doesn't break his stride. The Reincarnation mix of "I'll Face Myself" blares heavy in the background—you know, from when Yu gave Shadow Mitsuo a one-maned beatdown—and, as his shades are shattered, he does not even BLINK. No matter what she does, she can't even touch him. Yu delievrs a Patrick Stewart Speech, summoning Izanagi-No-Okami, which uses Myriad Truths (shown as a chain of three MASSIVE explosions).
The speech makes it more epic...
Izanami: Your friends no longer exist in this world. Do you really want to live alone forever? Yu:You're wrong. I am FAR from alone! Izanami:Human beings do not possess the potential to defeat the fog. Stop fighting and learn to embrace it. Yu: I think it's time I showed you what true potential is! (Yu summons Izanagi-no-Okami). Izanami:Do you think you're a god? (Is slashed by Izanagi-no-Okami, losing all her arms) Impossible! Yu:Anyone can do it. As long as they open their eyes and look around, they'll see it. They'll see the truth! If there is a fog, they have just have to embrace the truth to get rid of it! This is what's right, and this is the path I choose to follow!
The dub is one major CMOA for the entire english cast, everyone gave an amazing performance.