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Mario & Luigi: Brothership

How's Bowser's Health? Side Quest Walkthrough

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Mario and Luigi Brothership - How

How's Bowser's Health? is a side quest in Mario & Luigi: Brothership that can be started on Wayaway Island after completing Jellyfish Island. Read on for a full walkthrough of How's Bowser's Health?, including its location, unlock requirements, and rewards.

List of Contents

How's Bowser's Health? Location and Unlock Requirements

How's Bowser's Health? Side Quest
How
Starlow is going to Bowser's Castle all by herself! Will she be OK?
This is a limited-time quest
Unlock Requirements Complete Jellyfish Island
Quest Start Location Wayaway Island

Limited-Time Special Quest

How's Bowser's Health? is a special quest that must be completed before a certain point in the story. Once this quest is unlocked, it is highly recommended to do it immediately before progressing the main story any further.

Limited-time quests will disappear upon progressing the story, and you will be unable to complete them for the rest of your playthrough.

Unlocked After Completing Jellyfish Island

Jellyfish Island

After you complete Jellyfish Island, you will be able to find this side quest on Wayaway Island. Enter Bowser's Castle in Wayaway Island in order to start How's Bowser's Health?.

If this side quest doesn’t appear for you after you return to Shipshape Island from Jellyfish Island, you may need to progress the story a little bit.

Story Walkthrough

How's Bowser's Health? Walkthrough

Follow Starlow Into Bowser's Castle

MLB Follow Starlow

Travel to Wayaway Island, where you’ll see Starlow heading toward Bowser’s Castle. Follow him to the entrance and talk to him there. When he asks if you’d like to visit Bowser, select Yes.

Head to Bowser's Room

MLB Bowser

Once inside Bowser’s Castle, use the nearby Green Pipe to fast-travel to Bowser’s Room (also known as Bowser's Castle/2F).

Wayaway Island Location Guide

Talk to Starlow

MLB Talk to Starlow

Talk to Starlow again at the door to Bowser's Room to trigger a lengthy cutscene. The quest will be completed after the cutscene.

How's Bowser's Health? Rewards

Bowser Spikes

Reward Description
Bowser SpikesBowser Spikes x1 Boosts POW by 20% but reduces HP by 10% of its max value on each of your turns. JUMP x1.2; HAMMER x1.2

After completing How's Bowser's Health?, Starlow witll reward you with Bowser Spikes. It is a Glove that occupies the Glove slot.

Gear and Equipment

Mario & Luigi: Brothership Related Guides

Mario and Luigi Brothership - Side Quests Partial Banner

All Side Quest Locations

Lushgreen Sea Side Quests

Coming Home The Hammer Fan
An Invitation to the Spa Arc's Secret
Craft a First-Round Belt Craft a Luck Charm
Craft Some Battle-Ready Gloves Craft Some Battle-Wary Gloves
Spiralia's New Creation A Mother's Worries
Investigate the Abductions! -

Color-Full Sea Side Quests

Zokket's Schemes Back to IDLE's Roots
Little Lost Toad A Vision in Pink
Craft a Repeater Belt Craft Some Roulette Gloves
It's Dorrie! More Than One Code
Stepped into a Slump Craft Some Groove Boots
Letter from a Drifting Island Monster Mania: Level 1
The Left-Behind Toad The Courier

Brrrning Sea Side Quests

Ultra-Sweet, Super-Rich Cake The Runaway Son
Guardian Spirit Monster Mania: Level 2
Toad in the Sand Frostbitten Toads
Fear of Glohm A Big Debate
Craft Some Risk-Reward Gloves Gorumbla Gone Good
Glohm Gobblick -

Gulchrock Sea Side Quests

Craft Some Validation Gloves The Fossil and the Bones
Leyden's Piscine PR Plans Separated
Technikki's Past A Dear Friend
The Empty Nests Missing Ring
Toads Undercover Warms You Inside and Out
Feelings of Dread Glohm Sharpcask

Stormstar Sea

The Lonely Great Conductor Treasure-Hunting Brothers
How's Bowser's Health? Dueling Geniuses
Craft Some Capricious Gloves Monster Mania: Level 3
Monster Mania: Level 4 Monster Mania: Level 5
Glohm Pipegunk Cozette's Decision
Craft Some Amped Gloves -

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Mario & Luigi: Brothership Walkthrough Team
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