Top 8 hardest Deltarune boss fights ranked: From Spamton NEO to the Roaring Knight

Time of India

2 days ago

You're not alone if you've ever rage-quit Deltarune with sweaty palms and a heart racing faster than Spamton's sales pitch. We've all been there—dodging lasers, dodging feelings, and wondering how a game this charming could be so cruel.
But somehow, we keep coming back for more.
Whether it's Queen's chaotic sass or Berdly's 'I'm actually smart" energy, Deltarune's boss battles aren't just fights—they're full-blown emotional rollercoasters. These encounters push our reflexes, patience, and love for the game to the limit. So let's dive into the bosses we love, hate, and secretly respect for kicking our butts.
The most challenging Deltarune boss fights, ranked
8. Queen and Berdly– Chapter 2: A Cyber's World: Who needs a final boss when this mid-chapter nightmare exists?
When Kris, Susie, and Ralsei go up against Berdly in Deltarune Chapter 2, things get chaotic fast—but the absolute mayhem begins when the Queen joins the battle. After capturing Berdly, Queen forces him to fight alongside her, creating one of the trickiest boss fights in the Game.
Berdly still throws out his classic tornadoes and homework-based attacks (yes, literal homework!), but now Queen brings her brand of wild to the mix. She stomps around, fires lasers, hurls internet comments like weapons, and even changes the shape of your soul's battle box—filling it with acid or building firewalls for defense. The constant back-and-forth between two powerful enemies keeps you on your toes, making this battle even tougher than the GIGA Queen fight that comes right after it.
7. Titan– Chapter 4: Prophecy: The boss that made the prophecy feel too real
You know those moments in games where everything slows down, and you're like, 'Oh no… It's happening'? That's exactly what hits when the Titan shows up at the end of Chapter 4. All the cryptic buildup, creepy clues, and whispered warnings from earlier chapters come crashing down as the Roaring Knight summons a Titan right in front of Kris, Susie, and Ralsei. Yep, the 'Fun Gang' finally faces their biggest nightmare.
And wow, this fight does not hold back. Using that same darkness mechanic from the Jackenstein battle, you must defend like a champ, build up TP, and light up the arena to even stand a chance. Meanwhile, the Titans throw everything at you—shadow creatures, finger smashes, and apocalyptic dark blasts. But when things feel impossible, Gerson enters the battlefield, and that final team-up moment? Legendary. It's a boss fight that feels like a reward and a punishment for paying attention to the story.
6. Mr. 'Ant' Tenna– Chapter 3: Late Night: Chaos, mini-games, and a whole lot of stress
You know you're in for something bizarre from the moment you meet Mr. 'Ant' Tenna in Chapter 3. The guy traps Kris, Susie, and Ralsei in a chaotic late-night game show—filled with everything from cowboy shootouts to rhythm madness. And by the time you finally reach the showdown to save Toriel, things go from 'haha' to oh no, real fast.
This isn't your usual boss fight. To win, you need to hit a whopping 1000 points, and the only way to do that is by mastering a wild mash-up of mini-games… that keeps getting harder and faster every time. Miss a beat? That's a strike. Lose too many? Boom—there goes a big chunk of your health and your score. The pressure's on, and with Tenna throwing everything he's got at you (with a smile), this fight becomes a test of reflexes, focus, and your ability to stay cool when everything is falling apart. Fun? Yes. Chaotic? Absolutely.
5. Jackenstein– Chapter 4: Prophecy: Spooky mazes, jump scares, and pure panic
Lurking deep in Chapter 4's creepy Dark Sanctuary, Jackenstein isn't just a boss—he's a whole experience. From the moment the fight begins, you know something's off. The room is pitch black, and this mysterious, Halloween-loving weirdo introduces a new mechanic: gather TP to light up the room. Easy, right? Ha. Nope.
Jackenstein quickly turns the soul box into a spooky maze, and suddenly, you're playing a horror mini-game inside a boss fight. And when you start to figure things out, he drops the line—'You're taking too long!'—and sends a jack-o'-lantern straight for Kris' soul like it's a haunted game of tag. If it catches you? Say goodbye to your HP and your sanity.
The longer the battle, the bigger and crazier the mazes get. You'll be dodging tricks, hunting TP, and trying not to lose your cool when everything feels stacked against you. It's one of the funniest, most unique fights in the Game—but also one of the most brutal. One wrong move, and it's Game Over with a capital G.
4. Spamton NEO– Chapter 2: A Cyber's World: Bullet hell with a side of chaos
Ah, yes, the BIG SHOT himself. Deltarune Chapter 2 didn't just give us a great storyline—it also gave us Spamton NEO, the chaotic, over-the-top super boss that turns your screen into a literal bullet hell.
This battle's got Mettaton vibes all over it, especially when Kris' soul turns yellow, and suddenly you're not just dodging attacks—you're blasting back. Sounds fun? It is... until Spamton floods the screen with wild projectiles that test every ounce of your reflexes and aim. It's like trying to simultaneously survive an explosion of pop-up ads, static, and twisted sales pitches.
But even through the madness, it's hard not to love every second of it. The music slaps, Spamton's dialogue is gold, and the whole thing feels like a high-stakes game show from another dimension. Defeating him? Feels SO satisfying. If you survive the storm and come out on top, congrats—you're officially a [BIG SHOT].
3. Jevil– Chapter 1: The Beginning: Pure chaos in a jester's costume
Let's rewind to Chapter 1—the chapter that looked all cute and quirky… until Jevil showed up and laughed in your face. Literally.
Hidden away in a prison cell, Jevil is Deltarune's first secret boss, and boy, does he make an entrance. After assembling three broken keys, you're thrown into a fight that's less 'turn-based RPG' and more 'colorful panic attack.' He tosses out spirals, scythes, diamonds—you name it—and it all comes flying at you like he's on a sugar rush of destruction. And just when you think you're figuring out his rhythm? Boom. He splits into multiple versions of himself, and the screen becomes a carnival of chaos.
Fighting Jevil feels like trying to juggle flaming bowling pins on a unicycle—it's wild, unpredictable, and iconic. He set the tone for the kind of challenges Deltarune would serve in future chapters—and fans are still trying to dodge his madness.
2. Hammer Of Justice (Gerson)– Chapter 4: Prophecy: Gerson's got hands (and a hammer)
Let's be real—when we first met Gerson Boom in Chapter 4, we all thought, 'Aw, what a sweet old turtle guy.' And then… you solve the gold piano puzzle, grab the Justice Axe, and suddenly, Gerson isn't just handing out wise advice—he's handing out smoke.
Gerson challenges Susie to land just one hit on him in his Hammer of Justice form. Sounds easy. Nope. Not even close. This fight is a full-on reflex test where Kris has to block his attacks from eight directions—I think DDR meets dodgeball. And when you're getting the hang of it, the older man starts lobbing bouncing shells that must be blocked multiple times. Timing? Brutal. Focus? Constant. Fingers? Cramping.
Still, this battle is wild in the best way. It's tough, but it's also hilarious, intense, and weirdly heart-warming. Because if you do manage to beat him? You earn Susie's best weapon and the respect of the coolest grandpa in the Dark World. Worth it.
1. The Roaring Knight– Chapter 3: Late Night: The boss fight that broke us (and our soul box)
We've been hearing about the Roaring Knight for years, and when they finally show up at the end of Chapter 3? Boom—Toriel's in danger, the Fun Gang gets wrecked, and Undyne has to swoop in to save the day. That brief scene made it clear that this isn't just some edgy villain with a cool name. This is the threat.
But if you manage to unlock the secret Roaring Knight fight? Oh boy. This isn't just a fight—it's a full-on test of endurance, reflexes, and emotional stability. Their attacks are brutal and ridiculously precise, and they can even shatter your soul box into tiny pieces, leaving you with barely any room to breathe—let alone dodge. There's no cheap trick here, no shortcut, no mercy. You've got to go all in and hope your fingers (and sanity) can keep up.
Even though we know we'll get our revenge in a future chapter, this optional fight already proves that the Roaring Knight is on a whole different level. Stronger than Titans. Scarier than Spamton. And honestly? Way cooler than we expected.
Whether getting wrecked by Spamton's chaos, lost in Jackenstein's creepy mazes, or barely surviving the Roaring Knight's soul-shattering strikes, every boss in Deltarune brings something unforgettable to the table. They're not just fights—they're moments. Moments that make us laugh, scream, cry, and screenshot that final 'YOU WON!' in pure triumph.
And let's be real: win or lose, we keep coming back. Because deep down, we're all just Fun Gang members trying to survive the wild ride Toby Fox throws at us—one insane, beautiful boss fight at a time.
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