Defeat Bouldy at the Phantom Trial: Bouldy (Tumble) Challenge in the Realm of the Dark to get Bedrock Crystal: Tumble in Infinity Nikki. See Bedrock Crystal: Tumble locations and how to use Bedrock Crystal: Tumble here.

How to Get Bedrock Crystal: Tumble

Complete Phantom Trial: Bouldy (Tumble) in Realm of the Dark

You can get Bedrock Crystal: Tumble as a reward when you defeat Bouldy at the Phantom Trial: Bouldy (Tumble) challenge in the Realm of the Dark, along with some Mira EXP. This item is not obtainable anywhere else, and is only available as a guaranteed boss drop.

Do note that this Realm Challenge will consume Vital Energy, which is a limited resource, whenever you defeat the boss and get the rewards.

Realm of the Dark Guide

Unlock Realm of the Dark after Secret Ledger Quest

The Secret Ledger quest is the third subquest in Chapter 2: The Lost Wishes main quest.

Completing this quest and defeating Bouldy will prompt Tokar to message you, confirming that the Realm of the Dark is now accessible in the Realm Challenges from any Warp Spire in the overworld.

Secret Ledger Quest Guide

How to Use Bedrock Crystal: Tumble

Used for Crafting Outfits and Clothing Pieces

This item is used to craft the following outfits and clothing pieces.

Outfits That Use This Item

Outfit List
Rebirth Wish	Scarlet Dream	Starlit Celebration

List of All Outfits

Clothing Pieces That Use This Item

Clothing Pieces List
A New Dawn	Binary Beads	Blooming Path
Bright Tomorrow	Bringing Flowers	Cradle of Wish
Dreamweavers	Elegant Burgundy	Elegant Steps
Enchanted Brilliance	Festival of Dreams	Festive Glow
Fluttering Whispers	Gentle Curves	Hidden Sentiments
Lingering Wishes	Overflowing Fortune	Radiant Aspirations
Red Essence	Shimmering Prayers	Starry Dreams
Surprise Box	Tangy Dreams	Through the Storm
Tomorrow's Vows	Wish Handbook

List of All Clothing Pieces

Bedrock Crystal: Tumble Overview

Bedrock Crystal: Tumble
	Type
	Crafting Material
	Acquired From
	Realm Rewards
Description
A rock crystal obtained after defeating a Bouldy. It powers the gigantic monster while it moves.

How to Get Bedrock Crystals

Infinity Nikki Related Guides

List of All Items

All Items

All Item Types
Crafting Materials		Growth Materials		Consumables
Quest Items			Currencies

Item Guides

All Realm Rewards

All Items
Bedrock Crystal: Command	Bedrock Crystal: Energy	Bedrock Crystal: Hurl
Bedrock Crystal: Plummet	Bedrock Crystal: Tumble	Glitter Bubbles: Cool
Glitter Bubbles: Elegant	Glitter Bubbles: Fresh	Glitter Bubbles: Sexy
Glitter Bubbles: Sweet