Xenoblade Wiki
Advertisement

HP Attack Boost is an Aux Core or a Skill RAM/Upgrade in Xenoblade Chronicles 2 and Torna ~ The Golden Country. It increases damage dealt by up to 35% while the user's HP is at 90% or higher.

The Skill RAM/Upgrade variants can be used to customize Poppi α, Poppi QT and Poppi QTπ as an Aux Core equivalent.

Stats

Aux Core
Aux Core Rarity Effect Sell Price
Unrefined Refined
HP Attack Boost I Rarity1.png Increases damage dealt by 10% when HP is 90% or higher. 350 G 450 G
HP Attack Boost II Rarity1.png Increases damage dealt by 15% when HP is 90% or higher. 650 G 850 G
HP Attack Boost III Rarity2.png Increases damage dealt by 20% when HP is 90% or higher. 1,050 G 1,350 G
HP Attack Boost IV Rarity2.png Increases damage dealt by 25% when HP is 90% or higher. 1,750 G 2,300 G
HP Attack Boost V Rarity3.png Increases damage dealt by 30% when HP is 90% or higher. 1,900 G 2,450 G
HP Attack Boost VI Rarity3.png Increases damage dealt by 35% when HP is 90% or higher. 2,400 G 3,100 G

Skill RAM
Skill RAM Effect Energy
Required
Ether Crystals Technical Manual
Create Crystallize
HP Attack Boost I Increases damage dealt by 10% when HP is 90% or higher. 30 180 108 Nimble Nopon Get Girls
HP Attack Boost II Increases damage dealt by 15% when HP is 90% or higher. 60 600 240 Nimble Nopon Get Girls
HP Attack Boost III Increases damage dealt by 20% when HP is 90% or higher. 90 1,080 396 Artificial Blade Report
HP Attack Boost IV Increases damage dealt by 25% when HP is 90% or higher. 120 1,680 588 Ether R&D Revolution
HP Attack Boost V Increases damage dealt by 30% when HP is 90% or higher. 150 4,320 1,080 Hypertech Made Easy

Refinement Recipes

Aux Core Requirement Materials Amount
HP Attack Boost I Rarity Any Common Collectibles x4
HP Attack Boost II Rarity Any Common Collectibles x8
HP Attack Boost III Rarity Any Rare Collectibles x3
HP Attack Boost IV Rarity Any Rare Collectibles x6
HP Attack Boost V Rarity Any Legendary Collectibles x2
HP Attack Boost 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.

HP Attack Boost I

Dropped by

Name Spawn Area Level Rate
Grass Kapiba Normal Gormott Province 10 - 13 10.0%
Manda Moramora Normal Kingdom of Uraya 20 - 27 10.0%
Noog Vang Quest Empire of Mor Ardain 29 10.0%
Sad Bernard Unique Gormott Province 12 10.0%
Sarta Garlus Quest Kingdom of Tantal 43 10.0%

HP Attack Boost II

Treasure Troves

Quest Rewards

Merc Mission Rewards

Dropped by

Name Spawn Area Level Rate
Akatsuki's Driver Quest Empire of Mor Ardain 33 9.0%
Carbis Scout Story Empire of Mor Ardain 28 - 29 9.0%
Gast Urchon Normal Empire of Mor Ardain 31 - 33 9.0%
Gattle Tirkin Story Empire of Mor Ardain 26 - 29 9.0%
Mailer Runner Normal Empire of Mor Ardain 28 - 29 9.0%
Man-Eating Glenn Unique Empire of Mor Ardain 32 9.0%
Piratical Praxis Quest Gormott Province 33 9.0%
Vanny Quest Kingdom of Uraya 33 9.0%

Challenge Battle Mode (DLC)

Challenge Name Difficulty Chest 1 Chest 2 Chest 3
Bewitching Dance CR2.png 1.35% 0.41% ---
Grazing Flock CR1.png 1.79% 0.55% ---
Pest Control CR1.5.png 0.88% 0.25% ---
Think of the Soldiers CR2.5.png 2.48% 0.84% ---
Titan Battleship Assault Special Battle 2.22% 0.73% ---

HP Attack Boost III

Treasure Troves

Quest Rewards

Merc Mission Rewards

Dropped by

Name Spawn Area Level Rate
Cherys Medooz Quest Leftherian Archipelago 43 8.0%
Demon Mamongath Quest Leftherian Archipelago 43 8.0%
Gaoid Tirkin Normal Leftherian Archipelago 40 - 44 8.0%
Javelin Tirkin Normal Kingdom of Tantal 39 - 45 8.0%
Lafda Blant Normal Temperantia 42 - 45 8.0%
Madoline Tirkin Normal Leftherian Archipelago 42 - 44 8.0%
Muscley Damian Unique Kingdom of Tantal 43 8.0%

Challenge Battle Mode (DLC)

Challenge Name Difficulty Chest 1 Chest 2 Chest 3
Bewitching Dance CR2.png --- --- 0.37%
Grazing Flock CR1.png --- --- 0.52%
Pest Control CR1.5.png --- --- 0.23%
Think of the Soldiers CR2.5.png --- --- 0.82%
Titan Battleship Assault Special Battle --- --- 0.70%

HP Attack Boost IV

Merc Mission Rewards

Dropped by

Name Spawn Area Level Rate
Arrogant Behemoth Quest Temperantia 55 7.0%
Bagoan Sovereign Normal Land of Morytha 49 - 55 7.0%
Dagra Guldo Quest Land of Morytha 55 7.0%
Garasha Sovereign Quest Land of Morytha 56 7.0%
Heidl Taos Normal Cliffs of Morytha 51 - 53 7.0%
Rebus Garlus Normal Temperantia 48 - 50 7.0%

HP Attack Boost V

Merc Mission Rewards

Events

  • Reward for achieving "Legendary Salvager" in Salvager Rank. (1 Core)

Dropped by

Name Spawn Area Level Rate
Brionac Tanca Normal Empire of Mor Ardain 63 - 65 6.0%
Disas Squood Salvaging World Tree 61 - 65 6.0%
Limdo Flamii Normal Kingdom of Uraya 17 - 22 6.0%
Territorial Rotbart Unique Gormott Province 81 6.0%

Challenge Battle Mode (DLC)

Challenge Name Difficulty Chest 1 Chest 2 Chest 3
Attack of the Aspar Special Battle 1.14% 0.56% ---
Call the Exterminators Special Battle 1.71% 0.92% ---
Darkening Skies CR3.png 1.09% 0.54% ---
Dread Contagion CR4.png 1.48% 0.76% ---
Elma: Redux CR4.png 0.81% 0.37% ---
Otherworldly Fighter CR3.png 0.81% 0.37% ---
Panic at the Seaside CR3.png 0.51% 0.22% ---
Poisoned Paradise CR3.png 1.71% 0.92% ---
Sacred Wood CR3.png 1.71% 0.90% ---
Serious Showdown CR4.5.png 0.51% 0.22% ---
Temperantian Standoff CR2.png 0.49% 0.22% ---
This Year's Heropon CR3.png 0.81% 0.36% ---
Tiger! Tiger! IRL CR2.5.png 0.51% 0.22% ---
Torna's Finest CR4.png 1.48% 0.76% ---

HP Attack Boost VI

Challenge Battle Mode (DLC)

Challenge Name Difficulty Chest 1 Chest 2 Chest 3
9th Imp. Armored Div. CR5.png --- --- 0.41%
Chickenheart Challenge CR3.png --- --- 1.42%
Cloud King's Revenge CR4.png --- --- 0.23%
Dino Drama CR3.5.png --- --- 0.60%
Fiercest Faction CR4.png --- --- 0.23%
Humanoid Alliance CR4.png --- --- 0.23%
Mk. VIII CR4.5.png --- --- 1.42%
Reinventing the Gogol CR4.png --- --- 0.83%

Torna ~ The Golden Country

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

HP Attack Boost I

Treasure Troves

Dropped by

Name Spawn Area Level Rate
Bohn Quadwing Normal Gormott 11 - 12 10.0%
Harbinger Cavill Unique Kingdom of Torna 23 10.0%

HP Attack Boost II

Treasure Troves

Quest Rewards

Dropped by

Name Spawn Area Level Rate
Sleepwalker Mork Unique Kingdom of Torna 33 9.0%
Vokkon Griffox Normal Kingdom of Torna 30 - 38 9.0%

HP Attack Boost III

Treasure Troves

Dropped by

Name Spawn Area Level Rate
Scribo Quadwing Normal Gormott 40 - 42 8.0%
Sequestered Ludd Unique Kingdom of Torna 48 8.0%

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+
HP Attack Boost I Stage 2 Large 8.00% ---
HP Attack Boost III Stage 2 Large 4.67% 4.80%
HP Attack Boost V Stage 2 Large --- 1.00%
Advertisement