Cavern for a King in Pikmin 4 is a cave that can be found in Primordial Thicket. See all treasures, castaways, and onion locations in Cavern for a King, the bosses and enemies found in it, as well as how to reach it, its map, and tips and strategies on how to complete it 100%.

Cavern for a King Map and Overview

Map

Map Location
Overworld Location

Overview

Location	Primordial Thicket
Castaways	1
Treasures	48
Onions	0
Pikmin	Red Pikmin Blue Pikmin Ice Pikmin Purple Pikmin White Pikmin

How to Reach Cavern for a King

Unlock After Defeating Louie in a Dandori Battle

The Cavern for a King only unlocks the day after you defeat Louie in Primordial Thicket and rescue the castaways in that area.

Final Battle Walkthrough

Cavern for a King Bosses and Enemies

Bosses

Ancient Sirehound

Ancient Sirehound is the final boss of Pikmin 4 and is found at the 20th sublevel of Cavern for a King. The boss has five forms that matches to a corresponding Pikmin type to use.

Its main weak point is the tail, which the boss lowers when it performs an attack in each of the five forms.

List of All Bosses

Enemies

Dwarf Bulborb	Bulborb	White Spectralids	Honeywisp
Armored Cannon Larva	Jumbo Bulborb	Titan Blowhog	Blizzarding Blowhog
Baldy Long Legs	Red Spectralids	Moldy Dwarf Bulborb	Moldy Slooch

List of All Enemies

Cavern for a King Treasure Locations

Sublevel 1

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Cavern for a King Sublevel 1 Map
All Treasures
1	Sticky Jewel Sparklium: 20	Defeat the boss and it will drop the treasure.

Use White Pikmin or Upgraded Rush to Defeat Enemies

The first sublevel contains sticky mold that you can remove using White Pikmin. If you have Sniff Saver equipped, you can also defeat the enemies that spew poison using Oatchi's Rush ability.

Make sure to also collect the small enemies immediately as the spores from the boss will revive them. Use White Pikmin to collect and transport them to the base as they are not affected by the poison.

Rush Towards Toxstool

Once you have defeated the small enemies, use an Ultra-Spicy Spray and Oatchi's Rush ability to charge towards the boss so it falls over. Use this opportunity to deploy all your Pikmin to attack it before it recovers and counterattacks.

Sublevel 2

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Cavern for a King Sublevel 2 Map
All Treasures
1	Uniquely You Goo Sparklium: 80	Defeat the Jumbo Bulbobrb and it will drop the treasure.
2	Mechanical Harp (Lullabies) Sparklium: 150	Pick it up from the ground.

Defeat the Enemies One by One

On the second sublevel, you will need to defeat a total of 6 enemies. Make sure to defeat them one by one as they can easily overwhelm you if all enemies attack.

Rush Towards the Bulborb's Back

Use the grass to hide and sneak up on the Bulborbs. Wait for the enemy to turn around and have its back towards you before you use Oatchi's Rush ability to defeat them.

Sublevel 3

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Cavern for a King Sublevel 3 Map
All Treasures
1	Talisman of Life (Phoenix) Sparklium: 40	Defeat the Burrowing Snagret and it will drop the treasure.

Check the Burrowing Snagret's Locations on the Map

There are three Burrowing Snagret's in the 3rd sublevel that will only come out if you move within a certain range, so it is possible to fight them one by one.

How to Beat Burrowing Snagret

Rush Towards the Boss As It Emerges from the Ground

The Burrowing Snagret's weak point is the head, which will appear first when it emerges from the ground. Use this opportunity to use Oatchi's Rush ability to charge towards it as soon as it emerges from the ground.

Sublevel 4

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Cavern for a King Sublevel 4 Map
All Treasures
1	Orbital Communication Sphere Sparklium: 40	Collect 3 of these when you defeat the enemy.

Run on the Edge of the Path

On the 4th sublevel, there is an enemy that shoots giant snowballs that will roll down the passageway. You can avoid the snowball by running on the edge of the path.

If you get hit by the snowball, you will get knocked off and your Pikmin may fall off the stage.

Sublevel 5

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Cavern for a King Sublevel 5 Map
All Treasures
1	Tremendous Sniffer Sparklium: 90	Defeat the boss and it will drop the treasure.

Be Careful Not to Wake Up the Three Bosses at the Same Time

The fifth sublevel contains three Emperor Bulblax that will wake up if you get close to their location. You can defeat them one by one if you stick close to one area as the others will not attack.

Rewind Time If the Boss Roars

There is a chance that the Emperor Bulblax will roar which sends your Pikmin and Oatch in a panic. In addition, the attack also wakes up the other two Emperor Bulblax forcing you to fight all three of them at the same time.

If this happens, it is recommended to rewind time and try again if the boss uses this attack.

Use Pikpik Carrot and Lightning Shock

Pikpik Carrot

Lightning Shock

To stop the Emperor Bulblax from moving, you can use Pikpik Carrot or Lightning Shock to paralyze them in place for a short period of time. Once you paralyze the boss, you can use Oatchi's Rush ability to attack and defeat the boss.

Note that the Lightning Shock wakes up all the Emperor Bulbax on the ground, so be sure to only use it if there's only one boss remaining in the area.

Sublevel 6

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Cavern for a King Sublevel 6 Map
All Treasures
1	Planetary Rubber Cutie Sparklium: 20	Go around the sublevel clockwise and throw Pikmin to reach it.

Use the Floating Platform to Reach the Treasure

The sixth sublevel serves as a rest area and only contains one treasure on top of a high platform in the center. Use the floating platforms to move around and reach the treasure to bring it to the base.

Sublevel 7

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Cavern for a King Sublevel 7 Map
All Treasures
1	S.S. Peppermint Sparklium: 50	Defeat the enemy and it will drop the treasure.
2	S.S. Berry Sparklium: 40	Defeat the enemy and it will drop the treasure.

Call Your Pikmin Before the Boss Shakes Them Off

The 7th sublevel is a narrow area where your Pikmin can fall off the stage if they get shaken off by the bosses. Make sure to use the whistle before this happens to call them back or use Oatchi's Rush ability to stun the boss.

Sublevel 8

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Cavern for a King Sublevel 8 Map
All Treasures
1	Dapper Blob Sparklium: 40	Defeat the Crusted Rumpup and it will drop the treasure.

Be Careful Not to Fall Into the Swamp

Make sure to not fight the boss in the swamp as this slows down your movement speed and drowns your Pikmin. Stick close to the ground and throw your Pikmin to the boss' tail to attack its weakpoint.

How to Beat Crusted Rumpup

Sublevel 9

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Cavern for a King Sublevel 9 Map
All Treasures
1	Heroic Sword Sparklium: 5	Defeat the Man-at-Legs and it will drop 2.
2	Bright Sword Sparklium: 5	Defeat the Man-at-Legs and it will drop 2.

Ride Oatchi When Fighting the Boss

Use Blue Pikmin during this boss fight as the arena is covered in water and other Pikmin types will drown if you swim on it. Make sure to upgrade Oatchi's Doggy-Paddle skill to make him swim faster and avoid the Man-at-Legs' long-range attack.

Use Ice Pikmin to Freeze the Water and the Boss

Another way to defeat the boss is to lure it towards the water and freeze it using Ice Pikmin. This freezes the boss permanently, allowing you to defeat it without losing any Pikmin.

For this method to work, having 50 Ice Pikmin and 50 Blue Pikmin are required to freeze the water and to deplete the boss' health respectively.

Sublevel 10

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Cavern for a King Sublevel 10 Map
All Treasures
1	Wayward Moon Sparklium: 200	Defeat the Smoky Progg and it will drop the treasure.

Use Ultra-Spicy Spray and Attack the Boss Before It Starts to Move

It is recommended to use Ultra-Spicy Spray to attack the boss after it hatches from the egg. The boss surrounds itself with a red smoke that inflicts instant death if your Pikmin gets close to it.

Another way to defeat the boss is to use Ice Pikmin as they can freeze the boss, allowing you to attack safely.

Avoid Attacking Its Mouth

Smoky Progg uses instant death attacks that comes from its mouth, so it is recommended to attack from the sides and avoid facing the boss head on.

You Can Skip the Boss Fight If You Rush Towards It

If you use Ultra-Spicy Spray and rush towards the boss as fast as possible, you can skip the boss fight entirely as the egg will break open and turn into the Wayward Moon immediately.

Sublevel 11

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Cavern for a King Sublevel 11 Map
All Treasures
1	Disk of Amusing Wisdom Sparklium: 50	Pick it up from the ground. If the enemy eats it, defeat the enemy.
2	Disk of Sorrowful Wisdom Sparklium: 25	Defeat the enemy and it will drop the treasure.
3	Neon Goo Sparklium: 80	Defeat the long-nosed salmon lobster boss for the treasure to appear.
4	Sphere of Desire Sparklium: 110	Use 7 Pikmin to pull the tree branch for the treasure to emerge.

Use Purple Pikmin to Easily Defeat the Bloomcap Bloyster

If you attack the Bloomcap Bloyster, it will raise its shell to protect its weak spot. Oatchi's Rush ability will not work but you can throw Purple Pikmin to reach its weak spot and defeat it.

How to Beat Bloomcap Bloyster

Sublevel 12

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Cavern for a King Sublevel 12 Map
All Treasures
1	Unfinished Statue Sparklium: 300	Go through the pipe towards the passage beyond the wall to carry the treasure.

Enter the Hole to the Passage Beyond the Wall

The 12th sublevel serves as a rest area and has no enemies. To get the treasure, go through the hole on the passageway to reach the other side.

Sublevel 13

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Cavern for a King Sublevel 13 Map
All Treasures
1	Memory Fragment (Center Right) Sparklium: 50	Remove the sticky mold for the treasure to appear.
2	Mysterious Carriage Sparklium: 150	Defeat the Gildemander and it will drop the treasure.

Use White Pikmin to Remove the Poison

The 13th sublevel contains sticky mold and poisonous obstacles. Use White Pikmin to clear out the poison before defeating the boss.

Sublevel 14

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Cavern for a King Sublevel 14 Map
All Treasures
1	Foolish Fruit Sparklium: 80	Picture of Treasure Defeat the Horned Cannon Beatle and it will drop the treasure.

Let the Horned Cannon Beetle Defeat the Armored Cannon Larvae

The 14th sublevel contains one Horned Cannon Beetle and three Armored Cannon Larva.

You can let the Horned Cannon Beetle defeat the other three enemies when it spits out a boulder. Use this method to defeat the Armored Cannon Larvae and avoid losing Pikmin in the fight.

Sublevel 15

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Cavern for a King Sublevel 15 Map
All Treasures
1	Trap Lid Sparklium: 20	Get 10 by defeating Baldy Long Legs

Use Blue Pikmin to Defeat the Boss

You will need to defeat the boss surrounded in water, so having Blue Pikmin is required as they will not drown when in water.

Do not forget to call your Pikmin after the boss shakes them off its body as the boss can followup with a trampling attack.

Use Ice Pikmin to Freeze the Water and the Boss

Much like the boss fight with the Man-at-Legs, you can use 10 Ice Pikmin to freeze the boss permanently and attack it while it is frozen.

Sublevel 16

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Cavern for a King Sublevel 16 Map
All Treasures
1	Connection Detector Sparklium: 150	Defeat the Waterwraith for the treasure to appear.

Use Purple Pikmin to Pull the Flower Pot

You can use Purple Pikmin to pull out the flower pot on the narrow hallway to create another route in the 16th sublevel.

Defeat the Waterwraith One by One

It is safer and easier to defeat the Waterwraith as there is less chance that you will lose Pikmin in the process.

How to Beat Waterwraith

Sublevel 17

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Cavern for a King Sublevel 17 Map
All Treasures
1	Fire-Breathing Feast Sparklium: 170	Defeat the Empress Bulblax and it will drop the treasure.

Defeat Empress Bulblax As Fast as Possible

The goal of this boss fight is to defeat Empress Bulblax as fast as possible. If you let the fight go on, multiple rockfalls will appear which will leave you at the disadvantage.

How to Beat Empress Bulblax

Jump on the Air Spout to Avoid Its Rolling Attack

To avoid the Empress Bulblax's rolling attack, use the air spouts on the corner of the area to jump high and land on the opposite side.

Sublevel 18

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Cavern for a King Sublevel 18 Map
All Treasures
1	Don't-See-It Specs Sparklium: 180	Defeat the Sovereign Bulblax for the treasure to appear.

Use Ultra-Spicy Spray to Instantly Defeat the Sovereign Bulblax

How to Beat Sovereign Bulblax

Use a combination of Ultra-Spicy Spray, Oatchi's Rush ability, and an all-out attack by your Pikmin to instantly defeat the Sovereign Bulblax.

Once the boss emerges from the ground, it will start to look around at the sides giving you time to deplete its health before it starts to attack.

Use Pikpik Carrot and Lighting Shock If You Cannot Defeat the Boss Instantly

Pikpik Carrot

Lightning Shock

If you cannot defeat it on one hit, you can use Pikpik Carrot or Lightning Shock to paralyze the boss for a short period of time. Use this opportunity to attack while it is stunned to deplete its health.

Sublevel 19

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Cavern for a King Sublevel 19 Map
All Treasures
1	Pocked Airhead Sparklium: 90	Dig it up using Pikmin or Oatchi.
2	Cupid's Grenade Sparklium: 20	Use Blue Pikmin to get 3 of these in the water.
3	Zest Bomb Sparklium: 60	Use Blue Pikmin to get the treasure from the water.
4	Blonde Impostor Sparklium: 40	Use Blue Pikmin to get the treasure from the water.
5	Heroine's Tear Sparklium: 90	Throw Pikmin to reach it.
6	Juicy Gaggle Sparklium: 20	Find it inside a crumbling bucket.
7	Sunseed Berry Sparklium: 70	Find it inside a crumbling bucket.

Last Rest Sublevel Before the Final Boss

The 19th sublevel serves as the last rest area before the final boss fight. It contains ice, white, blue, yellow, and red candypop buds that you can use to convert your Pikmin into a different type.

Use the candypop buds to increase the number of Pikmin type you have. It is recommended to use Red Pikmin, Yellow Pikmin, and Purple Pikmin for the boss fight.

Sublevel 20

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Cavern for a King Sublevel 20 Map
All Treasures
1	Gift of Friendship Sparklium: 80	Defeat the final boss for the treasure to appear.

1st Form: Lure the Boss Towards the Rocks

Lure the Ancient Sirehound towards the fallen rocks to stun it for a short period of time. Once its tail is down, throw Pikmins at it to deplete its health.

How to Beat the Ancient Sirehound

2nd Form: Circle Around to Avoid Its Ice Breath Attack

During its 2nd form, the Ancient Sirehound uses an ice breath to attack. Circle around the boss during this attack and throw Pikmin at its tail.

Watch out for the giant snowballs that roll around in the area.

3rd Form: Move Around to Avoid the Electric Attack

In its 3rd form, the Ancient Sirehound uses an electric discharge attack to surround the area with rotating electric obstacles. You can move around the obstacle or jump over it and then throw 15 Pikmin at the boss' tail.

Defeat the Electric Bugs First

You can destroy the rotating electric obstacles using Yellow Pikmin. You need at least 5 of them to defeat the electric bug that generates the obstacle.

4th Form: Circle Around to Avoid the Wave of Fire

During its 4th form, the Ancient Sirehound will stomp the ground to create a slow moving wave of fire. Circle around and move towards its back to throw Pikmin at its lowered tail to deal damage.

Use Red Pikmin to Destroy the Fireballs

There are red fireballs that appear during its 4th form that you can destroy using Fire Pikmin. Be careful not to get it by the fireball as they generate a fire shockwave upon doing so.

5th Form: Avoid the Breath Attack and Red Areas

In its 5th form, the Ancient Sirehound will hover around the area and shoot an instant death breath attack that leaves a patch of red areas that also cause instant death. You will need to get close to the boss to throw Pikmin at its tail.

It is recommended to only move close to the boss if it is not situated near the red areas.

Use Glow Pikmin When It is Stunned

If you have Glow Pikmin, you can throw them at its tail and use the Glowmob ability to stun the Ancient SIrehound for a short period of time. This is an easy method to defeat the boss as you can stun it each time it lowers its tail when it floats to the sky again.

How to Get Glow Pikmin

Cavern for a King Castaway Locations

No Castaways

There are no castaways in this cave.

All Castaway Locations

Cavern for a King Onion Locations

No Onions

There are no onions in this cave.

All Onion Locations

No Flarlics

There are no flarlics in this cave.

All Flarlic Locations

Cavern for a King Tips and Strategies

Cavern for a King Tips and Strategies
Most Difficult Cave in Pikmin 4 Rewind Time If You Lose Pikmin Use Pikmin With High Attack Power

Most Difficult Cave in Pikmin 4

Cavern for a King serves as the final cave in Pikmin 4. Each sublevel serves as a boss arena from previous caves, so it is recommended to bring consumable items, equip gear, and upgrade Oatchi's skills before proceeding.

Recommended Items and Gear

Recommended Items
Ultra-Spicy Spray 20 or more	Pikpik Carrot 10 or more	Lightning Shock At least 5
Recommended Gear
Gunk Busters	Brace Boots	Rush Boots
Sniff Saver	Anti-Electrifier	Anti-Electrifier (Oatchi)
Thermal Defense	Thermal Defense (Oatchi)	Scorch Guard
Scorch Guard (Oatchi)	Power Whistle	Charging Horn

Rewind Time If You Lose Pikmin

If you lose a lot of Pikmin while descending down the cave, it is recommended to use the Rewind Time function to restart and try again.

How to Rewind Time

Use Pikmin With High Attack Power

Pikmin to Bring
Red Pikmin	Rock Pikmin	Purple Pikmin
Around 40 of any of the Pikmin Type

Bring Pikmin that excel at combat such as Red Pikmin, Rock Pikmin, and Purple Pikmin as each of the cave's sublevel contains a boss fight. If you bring enough of these Pikmin types, you can easily defeat some of the bosses in one hit.

Bring Blue Pikmin and White Pikmin

Pikmin to Bring
Blue Pikmin At least 30	White Pikmin At least 30

In addition, you also need to bring Blue Pikmin and White Pikmin to help you fight enemies in the water and remove poisonous obstacles respectively.

There are some sublevels that require you to use Ice Pikmin and Purple Pikmin. For those cases, there is usually a candypop bud on that floor that lets you convert your Pikmin into the required Pikmin type.

Pikmin 4 Related Guides

List of All Cave Locations and Maps

All Rescue Command Post Caves

Rescue Command Post Cave
Burrow of Beginnings

All Sun-Speckled Terrace Caves

Sun-Speckled Terrace Caves
Last-Frost Cavern	Hectic Hollows
Crackling Cauldron	Industrial Maze
Aquiferous Summit	-

All Blossoming Arcadia Caves

Blossoming Arcadia Caves
Secluded Courtyard	Drafty Gallery
Sightless Passage	Kingdom of Beasts

All Serene Shores Caves

Serene Shores Caves
Subzero Sauna	Seafloor Resort
Below-Grade Discotheque	Engulfed Castle

All Hero's Hideaway Caves

Hero's Hideaway Caves
Plunder Palace	Doppelganger's Den
Frozen Inferno	-

All Giant's Hearth Caves

Giant's Hearth Caves
Dream Home	Ultimate Testing Range
Cradle of the Beast	-

All Primordial Thicket Caves

Primordial Thicket Caves
Subterranean Swarm	The Mud Pit
Cavern for a King	-