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For the gem in Xenoblade Chronicles, see Ether Def Up.

Ether Defense Up is an Aux Core or a Skill RAM/Upgrade in Xenoblade Chronicles 2 and Torna ~ The Golden Country. It boosts the user's Ether Defense by up to 22%.

The Skill RAM/Upgrade variants can be used to customize Poppi QT and Poppi QTπ as an Aux Core equivalent. Poppi α is not compatible with this part.

Stats

Aux Core
Aux Core Rarity Effect Sell Price
Unrefined Refined
Ether Defense Up I Rarity1.png Boosts ether defense by 10%. 500 G 650 G
Ether Defense Up II Rarity1.png Boosts ether defense by 12%. 1,350 G 1,750 G
Ether Defense Up III Rarity2.png Boosts ether defense by 15%. 2,100 G 2,750 G
Ether Defense Up IV Rarity2.png Boosts ether defense by 17%. 2,600 G 3,400 G
Ether Defense Up V Rarity3.png Boosts ether defense by 20%. 2,850 G 3,700 G
Ether Defense Up VI Rarity3.png Boosts ether defense by 22%. 3,550 G 4,600 G

Skill RAM
Skill RAM Effect Energy
Required
Ether Crystals Technical Manual
Create Crystallize
Ether Defense Up I Boosts ether defense by 10%. 35 210 126 Robolab Club Quarterly
Ether Defense Up II Boosts ether defense by 12%. 70 700 280 Robolab Club Quarterly
Ether Defense Up III Boosts ether defense by 15%. 105 1,260 462 Hypertech Made Easy
Ether Defense Up IV Boosts ether defense by 17%. 140 1,960 686 Hypertech Made Easy
Ether Defense Up V Boosts ether defense by 20%. 175 1,428
※ This part cannot be crafted through Poppiswap. It must be obtained from Tiger! Tiger! or bought from a special trader in the Land of Challenge or New Game+.

Refinement Recipes

Aux Core Requirement Materials Amount
Ether Defense Up I Rarity Any Common Collectibles x4
Ether Defense Up II Rarity Any Common Collectibles x8
Ether Defense Up III Rarity Any Rare Collectibles x3
Ether Defense Up IV Rarity Any Rare Collectibles x6
Ether Defense Up V Rarity Any Legendary Collectibles x2
Ether Defense Up VI Rarity Any Legendary Collectibles x3

Sources

Xenoblade Chronicles 2

In Xenoblade Chronicles 2, the Aux Core is always obtained in its unrefined state, and must be refined within an Ether Furnace at an Aux Core Stall before becoming usable.

Ether Defense Up I

Treasure Troves

Merc Mission Rewards

Dropped by

Name Spawn Area Level Rate
Cunning Saggie Unique Kingdom of Uraya 24 10.0%
Leap Pippito Normal Kingdom of Uraya 21 - 23 10.0%
Martial Kamron Unique Kingdom of Uraya 23 10.0%
Supercharged Alfonso Unique Gormott Province 20 10.0%

Ether Defense Up II

Treasure Troves

Merc Mission Rewards

Events

Dropped by

Name Spawn Area Level Rate
Amman Balgas Normal Temperantia 33 - 37 9.0%
Angry Rvano Quest Kingdom of Uraya 38 9.0%
Gulnid Aspid Normal Leftherian Archipelago 34 - 36 9.0%
Kadar Pippito Normal Leftherian Archipelago 34 - 41 9.0%
Maanus Driver Quest Kingdom of Uraya 37 9.0%
Moskel Rhogul Normal Temperantia 35 - 37 9.0%

Challenge Battle Mode (DLC)

Challenge Name Difficulty Chest 1 Chest 2 Chest 3
Bewitching Dance CR2.png --- 0.82% 0.74%
Grazing Flock CR1.png --- 1.10% 1.04%
Pest Control CR1.5.png --- 0.50% 0.46%
Think of the Soldiers CR2.5.png --- 1.68% 1.64%
Titan Battleship Assault Special Battle --- 1.47% 1.40%

Ether Defense Up III

Treasure Troves

Quest Rewards

Merc Mission Rewards

Dropped by

Name Spawn Area Level Rate
Hard-Bitten Xavier Unique Spirit Crucible Elpys 48 8.0%
Nelva Pippito Normal Cliffs of Morytha 47 - 51 8.0%
Peerless Beaufort Unique Leftherian Archipelago 49 8.0%

Ether Defense Up IV

Quest Rewards

Merc Mission Rewards

Dropped by

Name Spawn Area Level Rate
Atrocious Hermes Unique Temperantia 58 7.0%
Felusi Pippito Normal World Tree 58 - 60 7.0%
Mk. VI Gerolf Unique World Tree 66 7.0%
Praetorian Argus Unique World Tree 65 7.0%

Ether Defense Up V

Treasure Troves

Quest Rewards

Merc Mission Rewards

Dropped by

Name Spawn Area Level Rate
Antecedent Xiaxia Unique Empire of Mor Ardain 99 6.0%
Cloud Sea King Ken Unique Kingdom of Tantal 110 6.0%
Gefillon Behemoth Normal Temperantia 94 - 96 6.0%

Challenge Battle Mode (DLC)

Challenge Name Difficulty Chest 1 Chest 2 Chest 3
Attack of the Aspar Special Battle --- --- 0.66%
Call the Exterminators Special Battle --- --- 1.19%
Darkening Skies CR3.png --- --- 0.66%
Dread Contagion CR4.png --- --- 0.95%
Elma: Redux CR4.png --- --- 0.43%
Otherworldly Fighter CR3.png --- --- 0.43%
Panic at the Seaside CR3.png --- --- 0.24%
Poisoned Paradise CR3.png --- --- 1.19%
Sacred Wood CR3.png --- --- 1.19%
Serious Showdown CR4.5.png --- --- 0.24%
Temperantian Standoff CR2.png --- --- 0.25%
This Year's Heropon CR3.png --- --- 0.43%
Tiger! Tiger! IRL CR2.5.png --- --- 0.24%
Torna's Finest CR4.png --- --- 0.93%

Ether Defense Up VI

Challenge Battle Mode (DLC)

Challenge Name Difficulty Chest 1 Chest 2 Chest 3
9th Imp. Armored Div. CR5.png --- --- 0.41%
Attack of the Aspar Special Battle --- --- 0.66%
Call the Exterminators Special Battle --- --- 1.19%
Chickenheart Challenge CR3.png --- --- 1.42%
Cloud King's Revenge CR4.png --- --- 0.23%
Darkening Skies CR3.png --- --- 0.66%
Dino Drama CR3.5.png --- --- 0.60%
Dread Contagion CR4.png --- --- 0.95%
Elma: Redux CR4.png --- --- 0.43%
Fiercest Faction CR4.png --- --- 0.23%
Humanoid Alliance CR4.png --- --- 0.23%
Mk. VIII CR4.5.png --- --- 1.42%
Otherworldly Fighter CR3.png --- --- 0.43%
Panic at the Seaside CR3.png --- --- 0.24%
Poisoned Paradise CR3.png --- --- 1.19%
Reinventing the Gogol CR4.png --- --- 0.41%
Sacred Wood CR3.png --- --- 1.19%
Serious Showdown CR4.5.png --- --- 0.48%
Temperantian Standoff CR2.png --- --- 0.25%
This Year's Heropon CR3.png --- --- 0.43%
Tiger! Tiger! IRL CR2.5.png --- --- 0.24%
Torna's Finest CR4.png --- --- 0.93%

Torna ~ The Golden Country

In Torna ~ The Golden Country, the Aux Core is always obtained in its refined state.

Ether Defense Up I

Treasure Troves

Ether Defense Up II

Treasure Troves

Quest Rewards

Ether Defense Up III

Treasure Troves

Quest Rewards

Skill RAM / Upgrade

Poppiswap

The Skill RAM or Upgrade variant can be crafted through Poppiswap's "Create/Crystallize" menu using Ether Crystals obtained from Tiger! Tiger! or from crystallizing other Poppi Parts. Create costs and required Technical Manuals are present in the Stats section.

Tiger! Tiger!

Skill RAM Stage Treasure
Size
Treasure Rate (per Trove)
Chapter 2 – 7 Chapter 8+
Ether Defense Up I Stage 5 Large --- 2.63%
Ether Defense Up III Stage 5 Large --- 1.50%
Ether Defense Up V Stage 5 Large --- 0.50%

Traders

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