Mario & Luigi: Brothership

Back to IDLE's Roots Side Quest Walkthrough

★ Mario & Luigi: Brothership out now!
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Mario and Luigi Brothership - Back to Idle

Back to IDLE's Roots is a side quest in Mario & Luigi: Brothership that can be started on Desolatt Island after completing Merrygo Island. Read on for a full walkthrough of Back to IDLE's Roots, including its location, unlock requirements, and rewards.

Back to IDLE's Roots Location and Unlock Requirements

Back to IDLE's Roots Side Quest
Back to IDLE
The mother of one of the IDLE kids is worried about her child. Return to IDLE's home island, and give her an update to ease her fears.
Unlock Requirements Complete Merrygo Island
Quest Start Location Desolatt Island

Unlocked After Completing Merrygo Island

After you complete Merrygo Island, you will be able to find this side quest on Desolatt Island. Talk to the Pink Concordian Mother at the Village in order to start Back to IDLE's Roots.

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

Story Walkthrough

Back to IDLE's Roots Walkthrough

Back to IDLE's Roots Quest Objectives



Talk to the Purple Concordian

Near the Blue Pipe on Desolatt Island, talk to the Purple Concordian to start the quest. She’ll ask you to help her find her Old Brooch.

Desolatt Island Location Guide

Head to the Residence

Head north to the green building, or also known as the Residence, and talk to the Yellow Concordian on the second floor. After a short cutscene, the Yellow Concordian will drop the Old Brooch somewhere on the ground floor.

Search for the Old Brooch Inside the Building

Inspect the glowing scraps on the ground floor to find the Old Brooch. Its exact location will be at the northeast corner of the area.

Return to the Purple Concordian

MLB Old Brooch Purple Concordian

Once you have the Old Brooch, return to the Purple Concordian. A cutscene will play and the quest will be completed.

Back to IDLE's Roots Rewards

Super Mushroom and Candy

Reward Description
Super MushroomSuper Mushroom x2 Restores 60 HP
CandyCandy x2 Restores HP and BP by 30%.

After completing Back to IDLE's Roots, the Purple Concordian will reward you with 2 Super Mushrooms and 2 Candies.

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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