Ready to dive into the wild, wacky, and sometimes spooky world of Deltarune Chapter 4? Titled “Prophecy,” this chapter is a total banger! Toby Fox has cooked up another masterpiece, blending heartfelt moments, tricky puzzles, and epic battles that’ll keep you glued to your screen. This Deltarune Chapter 4 Complete Guide is your ultimate buddy for nailing 100% completion. We’re talking every item, every secret, every missable dialogue, and even that creepy Weird Route. So, grab your controller, stock up on snacks, and let’s explore Kris’ hometown, Castle Town, and the mysterious Cathedral Dark World together!
What’s in our Deltarune Chapter 4 Complete Guide
What’s Chapter 4 All About?
Chapter 4 kicks things up a notch with a darker, lore packed vibe compared to Chapter 3’s game show shenanigans. You’ll bounce between the cozy Light World in Kris’ hometown, the bustling Castle Town, and a brand new Dark World called the Cathedral. Expect to hang with faves like Susie and Noelle, tackle new bosses like Jackenstein and the Titan, and hunt for hidden goodies like the Justice Axe and Shadow Crystal.
This chapter’s got it all: puzzles that’ll make you think, battles that’ll test your skills, and secrets that’ll blow your mind. Plus, if you’re on that Snowgrave Route from Chapter 2, the Weird Route dives into some seriously dark territory. Let’s break it down step by step to make sure you don’t miss a thing! you can find everything you need for the other chapters in our main Deltarune Complete Guide.
How to Rock This Guide
This walkthrough is built for gamers who want to soak up every bit of Deltarune Chapter 4. Whether you’re just cruising through the main story or hunting every last secret, we’ve got you covered. Follow the steps in order to keep the story flowing, and don’t skip the “Extra Loot and Secrets” section for all the juicy optional stuff. If you get stuck on a puzzle or boss, we’ve linked some awesome external guides to help you out. Let’s get started, fam!
Light World: Hometown Shenanigans
The adventure kicks off in Kris’ hometown, where you’ll be chatting with NPCs and setting the stage for some epic plot twists. This is your chance to soak in the cozy vibes before things get wild in the Dark World.
Church Vibes
Your first stop is the church, where you’ll need to snag a shelter passcode. Talk to every NPC you see, seriously, don’t skip anyone! They drop hints that piece together the passcode, and trust me, you don’t want to be stuck guessing. Once you’ve got it, chat with Noelle for some key story moments that’ll hit you right in the feels. Before you leave, head to the juice station and mix Alphys’ juice with a 25% red and 75% yellow ratio. Nail this, and you’ll unlock a super cute dialogue that’s totally worth it. Mess it up? No worries, just tweak the sliders and try again.
Exploring Hometown
Don’t just rush through the church, take a stroll around town! Pop into shops, say hi to NPCs like Toriel or Sans, and keep an eye out for little easter eggs. These chats might not be mandatory, but they’re packed with lore and sometimes drop useful items. Plus, who doesn’t love a sneaky Sans cameo? Spend some time wandering to get the full hometown experience before heading to the next big spot.
Castle Town: Your Hub for Quests and Chill
After the hometown, you’re back in Castle Town, the ultimate hangout spot. This place is bursting with side quests and NPCs, so let’s make sure you hit all the highlights.
Side Quests and Rematches
Castle Town is like your gamer playground. First up, track down Lanino and Elnina for a rematch. These fights are optional but super fun, and winning nets you XP and cool items. Next, hunt for Motormouth Mike, a hidden character who’s a bit of a pain to find. Check out this guide for the exact steps to track him down and take him out. Another must do is Tenna’s adoption quest, where you help find a new home for a Chapter 3 character. It’s a heartwarming side mission with awesome rewards, find the full walkthrough here. Don’t sleep on these quests; they’re packed with unique dialogue and loot!
Exploring Every Nook
Castle Town’s got tons of hidden corners, so explore like your life depends on it. Talk to every NPC, check behind buildings, and poke around for chests. You might stumble on items like 500 Dark Dollars or even a sneaky easter egg tied to Undertale. Take your time here, it’s the perfect spot to chill before the Dark World chaos.
Noelle’s House: Study Sessions and Sneaky Moves
Next up, you’re headed to Noelle’s house for a study session and some stealthy action. This section’s got some chill vibes and a few surprises, so let’s dive in.
Study Session with the Crew
The study session at Noelle’s house is all about hanging with your pals and making dialogue choices. Pay close attention to what you say, some responses unlock missable conversations that add serious depth to the story. It’s not too tough, but take your time to enjoy the banter between Kris, Susie, and Noelle. These moments are pure Deltarune gold!
Duct Stealth Mission
After the study session, it’s time to get sneaky. You’ll need to navigate the ducts to reach the basement without getting caught. Move slowly and stick to the shadows. if you get spotted, you might trigger a hilarious easter egg where Kris plays an eight minute piano concert of Deltarune bangers. It’s awesome, but it’ll slow you down, so stay sharp! Once you’re in the basement, hunt for the code in Dess’ room. Check every object for clues, and if you’re stuck, interact with anything that looks suspicious. This code is your ticket to the Dark World, so don’t skip it!
Dark World: The Cathedral Adventure
Welcome to the Cathedral, the massive Dark World that’s the heart of Chapter 4. With three dark fountains, mind bending puzzles, and some seriously tough bosses, this place is where the real action happens. Let’s break it down so you can conquer it all!
Piano Puzzles Galore
The Cathedral is crawling with pianos, and each one’s a puzzle that unlocks new paths or items. To solve them, you’ll need to find hidden notes scattered nearby, check behind statues, in corners, or even under random objects. Each piano has a specific sequence, so take your time and explore every inch of the area. Solving these puzzles might lead to secret rooms or valuable loot, so don’t rush through. If you’re struggling, keep an eye out for NPC hints or check nearby walls for clues.
Navigating the Mazes
The Cathedral’s mazes are no joke, but you’ve got this! Look for the Old Man, an NPC who drops helpful tips to guide you through. Follow his advice, and don’t be afraid to backtrack if you miss a turn. Some mazes hide chests with goodies like 500 Dark Dollars or rare items, so explore every path. If you get lost, take a deep breath and move slowly, rushing will only make it trickier.
Library Hub: Your Base of Operations
The library is the Cathedral’s central hub, connecting different paths and packed with puzzles and NPCs. Spend some time here to grab items, solve mini puzzles, and chat with characters. This is also where you’ll find clues for the Golden Piano puzzle, so keep your eyes peeled for anything that looks like a hint. The library’s a great spot to catch your breath and plan your next move.
Boss Battle: Jackenstein
Get ready to throw down with Jackenstein, one of the Cathedral’s main bosses. This guy’s tough, so stock up on healing items and equip your best gear before the fight. Jackenstein’s attacks are fast, but you can dodge them with some quick reflexes. Use a mix of ACT commands and attacks to wear him down, and don’t be afraid to heal if your HP gets low. Beating Jackenstein nets you the ClaimbClaws, a sweet item that boosts your party’s stats. Need more tips? Check out this guide.
Golden Piano Puzzle: Unlocking the Secret Ending
The Golden Piano puzzle is your ticket to Chapter 4’s secret boss and ending, and it’s a doozy. You’ll need to find three sets of musical symbols (arrows) hidden throughout the Cathedral. Here’s how to nail it:
- First Symbol Set: From the Old Man’s study, head left past the blue piano to a three way intersection. Go south, turn right, and descend the staircase. Pass two bookcases and a stool, then turn left past a Toothpaste prophecy image. At the light puzzle, go straight to the wall, south, loop the corner, and west to a tower. Climb it, beat the watercooler enemy, and jot down the sequence.
- Second Symbol Set: From the same intersection, go south, right, and down the staircase. At the bookcases, turn right through a dark hallway to a big tower. Climb it, enter, and navigate a pitch black maze using blue light pulses to find the sequence.
- Third Symbol Set: Back at the Old Man’s study, head to the library’s left side and take the west path through a narrow bookshelf room to a massive waterfall. Slip behind the waterfall, navigate another dark maze with blue pulsing light, and activate yellow light walls to find the final clue.
- Crack the Puzzle: Head back to the Golden Piano and input this sequence: Up, dot, up, left, down, dot, right, dot, right, down, left, dot.
Nail the sequence, and a doorway opens behind the Old Man. For a deeper dive, check this guide. Trust me, it’s worth the effort for what comes next!
Secret Boss: Hammer of Justice
Once you’ve cracked the Golden Piano puzzle, head through the new doorway to a study room with a magical axe. Susie will try to grab it, kicking off a wild chain of events that leads to a solo fight against the Hammer of Justice. This boss is no joke, some say it’s tougher than Undertale’s Sans! Equip Susie with your best gear, stock up on healing items, and decide whether to fight or spare. Winning gets you the Justice Axe for Susie and a Shadow Crystal, both of which tie into the game’s deeper lore. This fight’s a thrill, so bring your A-game!
Watercooler Boss Area
This area’s crawling with Mizzle enemies, and you can either fight or spare them depending on your vibe (pacifist or all-out attack). Search high and low for a chest with the Winglade weapon, it’s a game-changer for your party’s combat skills. Keep exploring for other missable items, as this area’s packed with hidden goodies.
Final Showdown: The Titan
The chapter’s big finale is a showdown with the Titan, a massive boss spawned after the Roaring Knight opens a fountain in the Dark World. This fight’s a beast, so come prepared with healing items and your strongest equipment. Use purification moves like DualHeal and DualBuster to chip away at the Titan’s health, and coordinate your party’s abilities to stay alive. It’s a tough battle, but beating the Titan wraps up the main story with an epilogue that’ll leave you hyped for Chapter 5. You got this!
Extra Loot and Secrets: Don’t Miss These!
If you’re going for 100% completion, you gotta hunt down every secret. Here’s the lowdown on the must find stuff:
Egg and Moss Hunt
The Egg and Moss are classic Deltarune secrets, and Chapter 4’s no different. The Egg’s probably tucked away in a secret room, like in past chapters, while Moss might pop up in the Cathedral’s mazes. Hunt every corner and check this guide for exact spots. These items are easy to miss, so don’t skip the search!
Climbing Races and Toby Dog
Feeling competitive? Join the climbing races for a shot at fighting Toby Dog, a secret boss who’s as adorable as he is tough. These races test your reflexes, so practice your timing. Win, and you’ll unlock the Toby Dog fight, check this guide for tips on crushing it. The rewards are totally worth the effort!
Missable Dialogues
Don’t sleep on NPC chats! Talk to characters like Asgore in the vents at Noelle’s house or other NPCs at key moments for unique dialogues. Some of these are tied to the Weird Route and only trigger if you’ve followed the Snowgrave Route from Chapter 2. Keep exploring and interacting to catch every line.
Weird Route: The Dark Side
If you’re on the Snowgrave Route from Chapter 2, the Weird Route in Chapter 4 takes things to a whole new level of creepy. Head to Noelle’s room after the study session, investigate the guitar, and follow specific dialogue choices to dive into this dark storyline. It’s packed with meta storytelling and psychological horror, so brace yourself. For a full walkthrough, check this guide. It’s intense, but it’s a must for lore hounds.
Deltarune Chapter 4 is a wild ride full of heart, humor, and some seriously epic moments. From sneaking through Noelle’s house to battling the Titan in the Cathedral, this chapter’s got something for every gamer. By following this guide, you’ll snag every item, solve every puzzle, and uncover every secret, whether you’re sticking to the main story or diving into the Weird Route. Get ready for an adventure that’ll stick with you long after the credits roll. Now go out there and make Kris, Susie, and Noelle proud. Chapter 5’s waiting!
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