What can you do as a free member?

Member benefits illustration

Create your free account today and unlock all our premium features and tools to enhance your gaming experience.

Member benefits illustration

Create your free account today and save articles to your watchlist and get notified when they're updated with new information.

Member benefits illustration

Create your free account today and save your favorite games for quick access later, synced across all your devices.

Member benefits illustration

By creating a Game8 account and logging in, you'll receive instant notifications when someone replies to your posts.

Comment rating feature illustration

By creating a Game8 account and logging in, you can make use of convenient features in the comments section, such as rating and sorting comments.

Premium archive feature illustration

By creating a Game8 account and logging in, you can access Premium articles that are exclusively available to members.

Site Interface

Guest
Free Member
Article Watchlist
Game Bookmarks
Cross-device Sync
Light/Dark Theme Toggle
User Profiles
Direct Feedback
Comment Rating

Game Tools

Guest
Free Member
Interactive Map Access
Interactive Map Pins
Interactive Map Comments
Interactive Map Pins Cross-Device
Check List
Event Choice Checker
Deck Builder Cross-Device
Message Board Notification
Message Board Cross-Device
Build Planner
Stat Calculator
Diagnostic Tool
Weapon/Armor Wishlist

Want more information?Learn more

Mario & Luigi: Brothership

Guardian Spirit Side Quest Walkthrough

Add to Watchlist

★ Mario & Luigi: Brothership out now!
★ How to Unlock and Complete Every Challenge!
★ Pull off strong Bros. Attacks for maximum damage!
★ Best Gear | Best Battle Plugs | Rank-Up Bonuses
★ Power up with Best Battle Plug Combos.
★ Share your Hammer Rally high scores!

Mario Luigi Brothership - Guardian Spirit Side Quest

Guardian Spirit is a side quest in Mario & Luigi: Brothership that can be started on Bulbfish Island after completing Heatfreeze Island. Read on for a full walkthrough of Guardian Spirit, including its location, unlock requirements, and rewards.

List of Contents

Guardian Spirit Location and Unlock Requirements

Guardian Spirit Side Quest
Guardian Spirit
A young security guard is trying to live up to his older brother's rep, but his overzealous approach is making life harder for his island's residents.
Unlock Requirements Complete Heatfreeze Island
Quest Start Location Bulbfish Island

Unlocked After Completing Heatfreeze Island

Heatfreeze Island

After you complete Heatfreeze Island, you will be able to find this side quest on Bulbfish Island. Talk to the Blue Concordian at the Village in order to start Guardian Spirit.

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

Story Walkthrough

Guardian Spirit Walkthrough

Talk to Leyden on Bulbfish Island

MLB Talk to Leyden

On Bulbfish Island, find Leyden north of the Island Plaza, near the Chief’s House. Talk to him to start the quest!

Bulbfish Island Location Guide

Speak with the Security Guard

MLB Talk to Security Guard

Head to the Anglerfish Restaurant on the right side of the island and speak with the Security Guard at the entrance. He’ll require you to pass his quiz in order to allow everyone entry in the restaurant.

Answer the Security Guard's Questions Correctly

MLB Answer Questions Correctly
Answer all three questions correctly to complete the quest.

To find the quiz answers, you could speak with Leyden and search both his office and the Chief’s House. But to save you some time, we've already listed the correct answers below:

# Question Answer
1 What shape is Leyden's favorite pillow? Shrimp
2 What book is in the assistant's office? Island Development & You: A Leader's Role
3 What dish is this restaurant known for? Bulbfish Teriyaki

Guardian Spirit Rewards

Ultra Mushroom and Super Nut

Reward Description
Ultra MushroomUltra Mushroom x2 Restores 130 HP
Super NutSuper Nut x3 Restores each brother's HP by 40.

After completing Guardian Spirit, Leyden will reward you with 2 Ultra Mushrooms and 3 Super Nuts.

How to Heal and Restore Health

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 -

Comment

Post (0 Comments)

Author

Mario & Luigi: Brothership Walkthrough Team
This article was created by Game8's elite team of writers and gamers.
    Leave feedback(Login required)
    Please participate in our site
    improvement survey
    12/2025
    Would you assist in
    improving Game8's site?
    ×
    This survey will take about 1 minute.
    Your answers will help us to improve our website.
    We are listening to our users' valuable opinions and discussing how to act on them.
    The information collected through this survey will be used for the purpose of improving our services. In addition, the information will only be disclosed a part of a statistic in a format that will not allow identification of personal information.
    Begin Survey
    Not Now
    ×
    Please rate each item regarding Game8.co's Advertisements.
    Amount of Ads
    Very Dissatisfied
    Somewhat Dissatisfied
    Fine
    Somewhat Satisfied
    Highly Satisfied
    Placement of Ads
    Timing of Ad Display
    Ad Loading Speed
    Safeness of Ads
    Content of Ads
    ×
    Please rate each item regarding Game8.co's Quality of Articles.
    Amount of information
    Very Dissatisfied
    Somewhat Dissatisfied
    Fine
    Somewhat Satisfied
    Highly Satisfied
    Frequency of updates
    Speed of new information
    Accuracy of articles
    Understandibility of articles
    Readability of sentences
    ×
    Please rate each item regarding Game8.co's Usability of the Site.
    Ease of finding information
    Very Dissatisfied
    Somewhat Dissatisfied
    Fine
    Somewhat Satisfied
    Highly Satisfied
    Loading Speed
    Use of Color
    Font Size
    Visibility of Images
    Easy to Understand Layout
    ×
    Please rate each item regarding Game8.co's Message Boards, Comments.
    Ease of Writing
    Very Dissatisfied
    Somewhat Dissatisfied
    Fine
    Somewhat Satisfied
    Highly Satisfied
    Readability
    Ease in Finding Information
    Comment Quality
    Comment Quantity
    Admin Response
    ×
    Please rate each item regarding Game8.co's Site's new design.
    Please rate our site's new design
    Very Dissatisfied
    Somewhat Dissatisfied
    Fine
    Somewhat Satisfied
    Highly Satisfied
    Do you think that the website's design change makes the site easier to use?
    Has the new design made it easier for you to find information on the site?
    Has the new design improved the overall visual appeal of the site?
    How would you rate your overall satisfaction with the new design of the site?
    ×
    How likely are you to recommend Game8 to someone you know?
    Very Unlikely
    0
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    Very Likely
    If you have other opinions regarding potential improvement to the website, please share them with us. We would appreciate your honest opinion.
    Note: This is a free response section, so you can proceed without entering anything.
    Note: Please be sure not to enter any kind of personal information into your response.
    ×
    Thank You
    ×
    Thank you for participating in our survey! Your answers will help us to improve the quality of our website and services.
    We hope you continue to make use of Game8.
    Close
    For other opinions or comments, go here.

    Rankings

    Popular Articles
    Message Board
    • We could not find the message board you were looking for.

    Gaming News

    Best PS5 RPGs (December 2025)

    Best PS5 RPGs (December 2025)

    Popular Games

    Recommended Games

    All rights reserved

    © Nintendo. Games are property of their respective owners.

    The copyrights of videos of games used in our content and other intellectual property rights belong to the provider of the game.
    The contents we provide on this site were created personally by members of the Game8 editorial department.
    We refuse the right to reuse or repost content taken without our permission such as data or images to other sites.

    Mario & Luigi: Brothership Walkthrough & Guides Wiki

    Quick Access
    Guide Index

    Recommended Guides

    Walkthrough

    Side Quests

    Tips and Tricks

    Islands

    Lushgreen Sea

    Color-Full Sea

    Brrrning Sea

    Gulchrock Sea

    Stormstar Sea

    Bosses

    Story Bosses

    Optional Bosses

    Enemies

    Gear and Equipment

    Items

    Bros. Attacks

    Battle Plugs

    News and Game Info

    Other Super Mario Walkthrough Wikis

    Japanese Wiki (日本語版)