If you’ve started working on the Lullaby Mastery in Fisch, you’ve probably realized it’s nothing like most of the other masteries. Instead of giving you a checklist of objectives, the game hides everything behind riddles, leaving you to figure out the correct fish, mutations, and locations on your own.
That can be confusing at first, especially if you’re trying to complete everything without wasting hours fishing in the wrong place. This guide walks through every mastery step, explains what each objective actually requires, and shows you how to unlock the final rewards, including the exclusive Lullaby variant and Serenity Skin.
Fisch Lullaby Mastery Guide – Fish Locations, Rewards
Unlike the Castbound Mastery and several other masteries, Lullaby doesn’t simply tell you what to do. Every objective is presented as a riddle, so you have to discover the correct requirements yourself.
The mastery is divided into four stages:
- Forever in Harmony
- The Climb
- The Collection
- True Ascension
Each stage unlocks new rewards while bringing you closer to the exclusive final variant.
How Do You Complete Forever in Harmony?
Forever in Harmony revolves around the different Lullaby Rod variants.
The rod has five variants that become available after completing its original questline. Every variant grants its own unique buff whenever you successfully hit the metronome while fishing.
To finish this mastery, all five buffs must remain active at the same time for three consecutive minutes.
Trying to refresh every buff by yourself is possible, but it’s much harder than doing it with other players. If you’re joining public servers shortly after the update, you’ll often find groups working together where each player focuses on maintaining one specific variant buff. That makes completing this mastery much easier.
Forever in Harmony Rewards
After completing the first mastery, you’ll unlock:
- Rainbow Halo
- Moon Bobber
The Rainbow Halo features a colorful rainbow with a moon above it, while the Moon Bobber replaces your normal bobber with a miniature moon that matches the rod’s overall theme.
How Do You Complete The Climb?
The Climb is easily one of the most confusing mastery objectives because players have reported different methods working.
The first method requires traveling to Abyssal Zenith using the Traveler’s Whistle.
Before casting your line, activate a Starfall Totem. This is an important requirement.
Next, equip the Lullaby Rod and complete 20 perfect catches on fish with the Prismatic mutation.
A perfect catch requires two things:
- Keeping the control bar inside the catch zone.
- Successfully hitting every metronome prompt.
If both conditions are met, the catch counts toward your progress.
What If Abyssal Zenith Doesn’t Work?
Some players found that their progress never increased using the first method.
Instead, they had to:
- Fish in Above the Clouds.
- Catch Rainbow fish instead of Prismatic ones.
- Continue making perfect catches while Starfall remained active.
If one method doesn’t register progress, simply switch to the other. Both have successfully completed the mastery for different players.
Which Fish Are Needed for The Collection?
The Collection requires six specific fish, but you can catch them in any order.
The required fish are:
- Prismatic Harmonic Dove
- Prismatic Ancient Depth Serpent
- Rainbow Voidglow Ghostfish
- Rainbow Ancient Kraken
- Prismatic Mythic Fish
- Rainbow Angler Fish
Whenever possible, try to perform perfect catches. While every fish doesn’t appear to require one, it’s the safest way to ensure your progress counts.
Where Do You Catch the Harmonic Dove?
Travel to Above the Clouds and catch a Prismatic Harmonic Dove.
Preferred Bait
- Worm
Where Do You Catch the Ancient Depth Serpent?
Head into The Depths and wait until Absolute Darkness becomes active.
Only then can you catch the Prismatic Ancient Depth Serpent.
Preferred Bait
- Truffle Worm
Where Do You Find the Voidglow Ghostfish?
Visit Abyssal Zenith and fish for a Rainbow Voidglow Ghostfish.
It’s a Legendary fish, so expect to spend some time before it appears.
Preferred Bait
- Squid
How Do You Catch the Ancient Kraken?
Travel to the updated Kraken entrance beside the whirlpool.
Your target is a Rainbow Ancient Kraken.
Unlike the other fish, you don’t need to worry about making this one a perfect catch. Simply hooking a Rainbow version is already difficult enough.
Preferred Bait
- Shark Head
Where Can You Catch the Mythic Fish?
The Mythic Fish can be caught throughout the normal Ocean.
For this mastery, you’ll specifically need a Prismatic Mythic Fish.
Preferred Bait
- Flakes
- Super Flakes
How Do You Get the Rainbow Angler Fish?
The final requirement is a Rainbow Angler Fish.
Fishing during the Night gives you the best opportunity to catch one.
Preferred Bait
- Squid
Some players may also encounter someone using an Angler Fish Totem, a limited item distributed during an earlier update. If someone activates one in your server, catching the Rainbow Angler Fish becomes much easier.
How Do You Unlock True Ascension?
Once all six required fish have been collected, return to Above the Clouds.
Take out each of the six fish one by one and place them beside you.
After the final fish has been offered, a portal opens.
Jump through it to enter Heaven, the final area of the mastery.
What Happens Inside Heaven?
Inside Heaven, your goal is simple.
Reach the top of the area by completing the platforming section. Players who own a Velocity Coil can make the climb faster, but it’s not required.
After reaching the summit, a short cutscene plays where the Lullaby Rod disappears before the game confirms that True Ascension has been completed.
What Rewards Do You Receive?
Finishing every mastery unlocks:
- Sereneheim Variant
- Serenity Skin
The Sereneheim variant provides:
- 10% Serene Mutation Chance
- +45% Resilience
The Serenity Skin features a clean hand-drawn appearance that perfectly matches the peaceful theme of the Lullaby Rod.
How Does the King Crab Hunt Work?
The update also introduced the King Crab Hunt.
Look for what appears to be a small island floating in the ocean. Walk onto it to wake the King Crab.
Once awakened, the crab begins traveling around the ocean while dropping Sunshells behind it.
Fish inside the moving zone to begin the encounter.
During the fishing minigame, giant crab claws occasionally pull your catch bar in random directions, forcing you to react quickly.
King Crab Preferences
Preferred Cycle
- Day
Preferred Baits
- Icy Fish
- Tropical Fruit Mix
- Cotton Candy Pieces
Lullaby Mastery is one of the most time-consuming masteries currently available in Fisch, but it’s also one of the most rewarding. Between solving riddles, collecting rare mutations, unlocking Heaven, and earning the exclusive Sereneheim Variant and Serenity Skin, every stage feels like meaningful progression rather than a simple checklist.
If you’re aiming for 100% completion, take your time with each mastery, double-check every required mutation, and don’t hesitate to work with other players whenever possible. It can make some of the toughest objectives far less frustrating.