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 | Rarity | Effect | Sell Price | |
|---|---|---|---|---|
| Unrefined | Refined | |||
| HP Attack Boost I | 
|
Increases damage dealt by 10% when HP is 90% or higher. | 350 G | 450 G |
| HP Attack Boost II |
|
Increases damage dealt by 15% when HP is 90% or higher. | 650 G | 850 G |
| HP Attack Boost III | 
|
Increases damage dealt by 20% when HP is 90% or higher. | 1,050 G | 1,350 G |
| HP Attack Boost IV |
|
Increases damage dealt by 25% when HP is 90% or higher. | 1,750 G | 2,300 G |
| HP Attack Boost V | 
|
Increases damage dealt by 30% when HP is 90% or higher. | 1,900 G | 2,450 G |
| HP Attack Boost VI |
|
Increases damage dealt by 35% when HP is 90% or higher. | 2,400 G | 3,100 G |
| 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.
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% |
Treasure Troves
- Red Barrel behind Carwood Blacksmiths at the Ayvill Shopping District, in the Empire of Mor Ardain. (1 Core)
Break Barrel: Focus Lv.2, Nopon Wisdom Lv.3.
Quest Rewards
- Grow, Little Vegetables! (1 Core)
- One Step Ahead (1 Core)
- Sunken Boosters (DLC, 2 Cores)
- We Meet Again (Route A, 1 Core)
Merc Mission Rewards
- Burned Wanted Posters (1 Core)
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 |  |
1.35% | 0.41% | --- |
| Grazing Flock |  |
1.79% | 0.55% | --- |
| Pest Control |  |
0.88% | 0.25% | --- |
| Think of the Soldiers |  |
2.48% | 0.84% | --- |
| Titan Battleship Assault | Special Battle | 2.22% | 0.73% | --- |
Treasure Troves
- Red Barrel at the eastern corner of the Residential Area of Theosoir, in the Kingdom of Tantal. (1 Core)
- Break Barrel: Focus Lv.3, Nopon Wisdom Lv.3.
Quest Rewards
- Newt Recruits (Blade Quest, 1 Core)
Merc Mission Rewards
- Road Repairs (1 Core)
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 | |
--- | --- | 0.37% |
| Grazing Flock | |
--- | --- | 0.52% |
| Pest Control | |
--- | --- | 0.23% |
| Think of the Soldiers | |
--- | --- | 0.82% |
| Titan Battleship Assault | Special Battle | --- | --- | 0.70% |
Merc Mission Rewards
- Deck Duty (1 Core)
- Snow Survey (1 Core)
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% |
Merc Mission Rewards
- Smuggler Arrest (1 Core)
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 |  |
1.09% | 0.54% | --- |
| Dread Contagion |  |
1.48% | 0.76% | --- |
| Elma: Redux | |
0.81% | 0.37% | --- |
| Otherworldly Fighter | |
0.81% | 0.37% | --- |
| Panic at the Seaside | |
0.51% | 0.22% | --- |
| Poisoned Paradise | |
1.71% | 0.92% | --- |
| Sacred Wood | |
1.71% | 0.90% | --- |
| Serious Showdown |  |
0.51% | 0.22% | --- |
| Temperantian Standoff | |
0.49% | 0.22% | --- |
| This Year's Heropon | |
0.81% | 0.36% | --- |
| Tiger! Tiger! IRL | |
0.51% | 0.22% | --- |
| Torna's Finest | |
1.48% | 0.76% | --- |
Challenge Battle Mode (DLC)
| Challenge Name | Difficulty | Chest 1 | Chest 2 | Chest 3 |
|---|---|---|---|---|
| 9th Imp. Armored Div. |  |
--- | --- | 0.41% |
| Chickenheart Challenge | |
--- | --- | 1.42% |
| Cloud King's Revenge | |
--- | --- | 0.23% |
| Dino Drama |  |
--- | --- | 0.60% |
| Fiercest Faction | |
--- | --- | 0.23% |
| Humanoid Alliance | |
--- | --- | 0.23% |
| Mk. VIII | |
--- | --- | 1.42% |
| Reinventing the Gogol | |
--- | --- | 0.83% |
Torna ~ The Golden Country
In Torna ~ The Golden Country, the Aux Core is always obtained in its refined state.
Treasure Troves
- Treasure Chest on the beach to the east of Torigoth Cemetery, in Gormott. (2 Cores)
Dropped by
| Name | Spawn | Area | Level | Rate |
|---|---|---|---|---|
| Bohn Quadwing | Normal | Gormott | 11 - 12 | 10.0% |
| Harbinger Cavill | Unique | Kingdom of Torna | 23 | 10.0% |
Treasure Troves
- Treasure Chest buried on the southern end of the Golden Twin Mesa, in the Kingdom of Torna. Can only be found during the quest Here Be Treasure?. (2 Cores)
- Unearth: Fortitude Lv.1, Mining Lv.1.
Quest Rewards
- Duplicity (1 Core)
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% |
Treasure Troves
- Treasure Chest underneath the waterfall in the middle of Peln, Pilgrim's Springland, in the Kingdom of Torna. (2 Cores)
- Open Container: Keen Eye Lv.3, Lockpicking Lv.3.
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% |
