Call of Duty Modern Warfare 3 (MW3)

How to Get Free Flawless Crystal and Legendary Tool

You can get a free Flawless Aetherium Crystal and Legendary Aether Tool by doing the key upgrade activities in Call of Duty Modern Warfare 3 (MW3) Zombies Mode. Read on to learn the steps on how to farm free Flawless Aetherium Crystals and Legendary Aether Tools, and how to complete the upgrade activity!

How to Get Free Flawless Aetherium Crystal and Legendary Aether Tool

Farm Key Upgrade Activities in the High Threat Zone

Go to one of the tiles listed below to start the summon activity. A purple triangle will be on the ground with three symbols around it that you need to shoot. After Shooting the symbols go to a designated spot to form a triangle from the runic writings on the wall.

Runic Writing Locations

Located on top of the archway on Tile F4.
(Location of Science Journal Upgrade)

Located on top of the bridge-like structure on Tile F5.
(Location of Imaginary Friend Drawing Upgrade)

Head north to top of the building on Tile F4 to start the summon.
(Location of Laptop With Stickers Upgrade)

How to Complete Key Upgrade Activity

Kill Zombies Within the Scorched Platform

MW3 Free Flawless Aetherium Crystal and Legendary Aether Tool

Kill the zombies while you're inside the scorched platform (purple circle) to summon a tanky special zombie.

Killing the special zombie will summon a reward rift that contains either an upgraded version of the purple rarity keys (if you brought them) or a Flawless Aetherium Crystal and Legendary Aether Tool.

Keep in mind that this activity needs to be done in a short amount of time, failing to do so will nullify your progress and you'll have to restart the activity.

Modern Warfare 3 Related Guides

Modern Warfare 3 - Zombies Game Mode

Zombies Mode Walkthrough and Guide

All Zombies Guides

Zombies Guides and Lists
Zombies Missions Zombies Season 2
Zombies Season 1 Zombies Map
Zombies Weapons Crafting Schematics
Aetherium Challenges and Enemies
Zombies Perks Zombies Ammo Mods
Zombies Field Upgrades Zombies Gear
Contracts Zombies Power-Ups

Other Zombies Guides

Zombies Season 5 Guides
Ascension Act 4 Story Mission Walkthrough
Mr. Peeks Echo of Drum
Echo of Locked Diary Echo of Giraffe Toy
Disciple Bottle Grenade Bandolier
Stash Increase -
Zombies Season 4 Guides
Unstable Rift -
Zombies Season 3 Guides
Giraffe Toy Imaginary Friend Drawing
Science Journal Laptop With Stickers
Rainmaker Fortress Location Free Flawless Crystal and Legendary Tool
Other Zombies Guides and Walkthroughs
How to Play Solo Zombies Squad Size
How to Farm Essence How to Get Pet Dog
Elder Sigils How to Get Sigils
Zombies Motorcycle Zombies Easter Eggs
Death Penalty Leave Match Penalty
How to Revive Zombies Battle Pass XP
Cyphered Tablets Stronghold Keycards
How to Destroy Helicopters Where to Find Loot Caches
Zombies Ending Explained How to Leave Squad

Comment

1 vinni4 months

Zone 2 triangle, came across this today, runes to activate are underwater need to be punched or melee. The runes do move around but are in the same general area. once activated (screenshot) there will be a horde of Mimics and other zeeks. Floating Orb, East of this spot collects the souls. Once full reward rift 2000, Legendary wrench and PAP2 crystal.

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