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Critical Up (Aux Core)

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Critical Up
XC2 item icon Aux Core.png
Effect (weakest) Boosts critical hit rate by 10%.
Effect (strongest) Boosts critical hit rate by 22%.
For other articles titled "Critical Up", see Critical Up (disambiguation).

Critical Up is an Aux Core in Xenoblade Chronicles 2 and Torna ~ The Golden Country. It increases critical hit rate for the equipped Blade, only affecting the Driver when the Blade is active.

Overview[edit]

Having Critical Up equipped is never a negative, more critical hits means more damage and building up the Party Gauge more, or, if using an Avant-Garde Medal, more heals. However, it must compete with some other options, such as Affinity MAX Atk or Outdoor Attack Up, a competition made even worse by the fact that some Blades only have one or two Aux Core slots. Moreover, due to the effect being based on a percentage, some weapons with lower base critical hit rates, such as the Shield Hammer, will see a much lesser increase than the Aegis Sword.

Details[edit]

Name Rarity XC2 item icon Aux Core unrefined.png Unrefined XC2 item icon Aux Core.png Refined
Price Recipe Price Effect
Critical Up I Common 700 G Common Any common collectible ×4 900 G Boosts critical hit rate by 10%.
Critical Up II Common 1800 G Common Any common collectible ×8 2300 G Boosts critical hit rate by 12%.
Critical Up III Rare 2800 G Rare Any rare collectible ×3 3600 G Boosts critical hit rate by 15%.
Critical Up IV Rare 3500 G Rare Any rare collectible ×6 4600 G Boosts critical hit rate by 17%.
Critical Up V Legendary 3800 G Legendary Any legendary collectible ×2 4900 G Boosts critical hit rate by 20%.
Critical Up VI Legendary 4800 G Legendary Any legendary collectible ×3 6200 G Boosts critical hit rate by 22%.

Sources[edit]

Exchanges[edit]

None

Treasure troves[edit]

Treasure Trove Location Req. Field Skills Item rewards
※ Red-silver chest 743 (buried) Uraya, Uppermost level of Minnet Terrace, where Cunning Saggie is digging (image, map image)  • Earth Mastery level 1
 • Focus level 1
 XC2 item icon Aux Core unrefined.png Critical Up I Common (x1)
XC2 item icon Core Crystal.png Common Core Crystal Common (x1)
※ Wooden chest 1514 Leftheria, Godsford Isle, on top of the southeastern Tirkin watchtower (image, map image) none XC2 item icon Aux Core unrefined.png Critical Up II Common (x1)
XC2 item icon Core Crystal.png Common Core Crystal Common (x1)
※ Red-silver chest 2005 World Tree, Haywire Kustal's balcony (image, map image) none XC2 item icon Aux Core unrefined.png Critical Up V Legendary (x1)
XC2 item icon Core Crystal.png Common Core Crystal Common (x2)
※ Red-silver chest 2224 Torna, Against the south wall of the pass between Dannagh Desert and Lake Wynn (image, map image)  • Lockpicking level 3
 • Keen Eye level 3
 XC2 item icon Aux Core.png Critical Up II Common (x2)
XC2 item icon Medals.png Spirit Tree Ward Common (x1)
※ Wooden chest 2273 Torna, Pantarhei Tower, edge of the middle southeast side (image, map image) none XC2 item icon Aux Core.png Critical Up III Rare (x2)
※ Red-silver chest 2588 After the party is attacked by Brighid in Torigoth Village: Gormott, Strategy Room, on top of the central room (image, map image) none XC2 item icon Aux Core.png Critical Up I Common (x2)
XC2 item icon Aux Core.png Outdoor Attack Up I Common (x2)

Quests[edit]

Quest Item rewards

A Mercenary's Honor

Tender-Hearted Beast

The Ardainian Gunman

Theory and Praxis

Trail of Destruction

Merc missions[edit]

Items are only rewarded on the first completion of the merc mission.

Mission Region Item rewards

Allies of Justice 1

Uraya

Brought to Justice 3

Mor Ardain

Cold-Proof Crops

Tantal

Energy Investigation

Leftheria

Field Devastation

Gormott

Graveside Flowers

Leftheria

Sheba's Tea Party 3

Mor Ardain

Urayan Crash Course

Uraya

Enemies[edit]

If an enemy appears multiple times, that enemy has multiple chances to drop this item. FTG (first-time guarantee) indicates that the enemy is guaranteed to drop the item when it is first defeated.

Enemy Drop rate FTG Item
Amman Balgas 10.8% No XC2 item icon Aux Core unrefined.png Critical Up II Common
Angry Rvano 10.8% No XC2 item icon Aux Core unrefined.png Critical Up II Common
Atrocious Hermes (normal) 8.4% Yes XC2 item icon Aux Core unrefined.png Critical Up IV Rare
Blood-Crazed Stalker 8.4% No XC2 item icon Aux Core unrefined.png Critical Up IV Rare
Bodom Grebel (XC2) 9.6% No XC2 item icon Aux Core unrefined.png Critical Up III Rare
Cardine Tirkin 12% No XC2 item icon Aux Core.png Critical Up I Common
Cunning Saggie 12% Yes XC2 item icon Aux Core unrefined.png Critical Up I Common
Dilemma Scout 8.4% No XC2 item icon Aux Core unrefined.png Critical Up IV Rare
Dreadnik Jagron 9.6% No XC2 item icon Aux Core unrefined.png Critical Up III Rare
Eclipse Serprond 9.6% No XC2 item icon Aux Core unrefined.png Critical Up III Rare
Falc Lexos 9.6% No XC2 item icon Aux Core unrefined.png Critical Up III Rare
Familion Sovereign (summon) (generic) 8.4% No XC2 item icon Aux Core unrefined.png Critical Up IV Rare
Familion Sovereign (summon) (Mk. VI Margot) 8.4% No XC2 item icon Aux Core unrefined.png Critical Up IV Rare
Figgle Driver 7.2% No XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Firan Driver 9.6% No XC2 item icon Aux Core unrefined.png Critical Up III Rare
Fleet Moramora (XC2) 9.6% No XC2 item icon Aux Core unrefined.png Critical Up III Rare
Fratte Tirkin 10.8% No XC2 item icon Aux Core.png Critical Up II Common
Gronta Gyanna 12% No XC2 item icon Aux Core unrefined.png Critical Up I Common
Gulnid Aspid 10.8% No XC2 item icon Aux Core unrefined.png Critical Up II Common
Horiz Aspid 8.4% No XC2 item icon Aux Core unrefined.png Critical Up IV Rare
Impassable Edgar 7.2% Yes XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Ionospheric Mitchell 9.6% Yes XC2 item icon Aux Core.png Critical Up III Rare
Kadar Pippito 10.8% No XC2 item icon Aux Core unrefined.png Critical Up II Common
Lindwurm Slider 7.2% No XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Lindwurm Sollmeyer 9.6% No XC2 item icon Aux Core unrefined.png Critical Up III Rare
Maanus Driver 10.8% No XC2 item icon Aux Core unrefined.png Critical Up II Common
Machine-Gun Julio 9.6% Yes XC2 item icon Aux Core unrefined.png Critical Up III Rare
Manda Moramora 12% No XC2 item icon Aux Core unrefined.png Critical Up I Common
Margot Sovereign 8.4% No XC2 item icon Aux Core unrefined.png Critical Up IV Rare
Mk. VI Margot 8.4% Yes XC2 item icon Aux Core unrefined.png Critical Up IV Rare
Moskel Rhogul 10.8% No XC2 item icon Aux Core unrefined.png Critical Up II Common
Relic-Holder Tyrannor 8.4% No XC2 item icon Aux Core unrefined.png Critical Up IV Rare
Scura Antol 9.6% No XC2 item icon Aux Core unrefined.png Critical Up III Rare
Svarm Appix 7.2% No XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Telluric Desirée 7.2% No XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Tolmeda Plambus (summon) 9.6% No XC2 item icon Aux Core unrefined.png Critical Up III Rare
Uis Parisax 9.6% No XC2 item icon Aux Core.png Critical Up III Rare
Valkan Marrin 7.2% No XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Wall Igna 12% No XC2 item icon Aux Core unrefined.png Critical Up I Common
Zeoth Serprond (XC2) 7.2% No XC2 item icon Aux Core unrefined.png Critical Up V Legendary

Challenge battles[edit]

Challenge battle Chest Drop rate Item
Bewitching Dance XC2 icon salvage red chest.png Chest 2 1.23% XC2 item icon Aux Core unrefined.png Critical Up II Common
Bewitching Dance XC2 icon salvage white chest.png Chest 3 1.48% XC2 item icon Aux Core unrefined.png Critical Up II Common
Grazing Flock XC2 icon salvage red chest.png Chest 2 1.65% XC2 item icon Aux Core unrefined.png Critical Up II Common
Grazing Flock XC2 icon salvage white chest.png Chest 3 2.08% XC2 item icon Aux Core unrefined.png Critical Up II Common
Pest Control XC2 icon salvage red chest.png Chest 2 0.75% XC2 item icon Aux Core unrefined.png Critical Up II Common
Pest Control XC2 icon salvage white chest.png Chest 3 0.92% XC2 item icon Aux Core unrefined.png Critical Up II Common
Think of the Soldiers XC2 icon salvage red chest.png Chest 2 2.52% XC2 item icon Aux Core unrefined.png Critical Up II Common
Think of the Soldiers XC2 icon salvage white chest.png Chest 3 3.28% XC2 item icon Aux Core unrefined.png Critical Up II Common
Titan Battleship Assault XC2 icon salvage red chest.png Chest 2 2.2% XC2 item icon Aux Core unrefined.png Critical Up II Common
Titan Battleship Assault XC2 icon salvage white chest.png Chest 3 2.81% XC2 item icon Aux Core unrefined.png Critical Up II Common
Attack of the Aspar XC2 icon salvage white chest.png Chest 3 1.32% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Call the Exterminators XC2 icon salvage white chest.png Chest 3 2.37% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Darkening Skies XC2 icon salvage white chest.png Chest 3 1.32% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Dread Contagion XC2 icon salvage white chest.png Chest 3 1.9% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Elma: Redux XC2 icon salvage white chest.png Chest 3 0.85% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Otherworldly Fighter XC2 icon salvage white chest.png Chest 3 0.85% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Panic at the Seaside XC2 icon salvage white chest.png Chest 3 0.49% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Poisoned Paradise XC2 icon salvage white chest.png Chest 3 2.39% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Sacred Wood XC2 icon salvage white chest.png Chest 3 2.39% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Serious Showdown XC2 icon salvage white chest.png Chest 3 0.48% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Temperantian Standoff XC2 icon salvage white chest.png Chest 3 0.49% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
This Year's Heropon XC2 icon salvage white chest.png Chest 3 0.85% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Tiger! Tiger! IRL XC2 icon salvage white chest.png Chest 3 0.49% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
Torna's Finest XC2 icon salvage white chest.png Chest 3 1.87% XC2 item icon Aux Core unrefined.png Critical Up V Legendary
9th Imp. Armored Div. XC2 icon salvage rusty chest.png Chest 1 0.83% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
9th Imp. Armored Div. XC2 icon salvage red chest.png Chest 2 0.5% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Chickenheart Challenge XC2 icon salvage rusty chest.png Chest 1 2.35% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Chickenheart Challenge XC2 icon salvage red chest.png Chest 2 1.62% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Cloud King's Revenge XC2 icon salvage rusty chest.png Chest 1 0.48% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Cloud King's Revenge XC2 icon salvage red chest.png Chest 2 0.28% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Dino Drama XC2 icon salvage rusty chest.png Chest 1 1.2% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Dino Drama XC2 icon salvage red chest.png Chest 2 0.72% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Fiercest Faction XC2 icon salvage rusty chest.png Chest 1 0.48% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Fiercest Faction XC2 icon salvage red chest.png Chest 2 0.27% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Humanoid Alliance XC2 icon salvage rusty chest.png Chest 1 0.93% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Humanoid Alliance XC2 icon salvage red chest.png Chest 2 0.28% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Mk. VIII XC2 icon salvage rusty chest.png Chest 1 2.25% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Mk. VIII XC2 icon salvage red chest.png Chest 2 1.62% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Reinventing the Gogol XC2 icon salvage rusty chest.png Chest 1 0.84% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary
Reinventing the Gogol XC2 icon salvage red chest.png Chest 2 0.5% XC2 item icon Aux Core unrefined.png Critical Up VI Legendary

Other[edit]

Situation Items granted
Given by Gramps during Chapter 2 as a tutorial for refining Aux Cores. XC2 item icon Aux Core unrefined.png Critical Up II Common ×1

A level VI version is awarded upon completing Mythra's Affinity Chart in Torna ~ The Golden Country.


In other languages[edit]

Language Name Meaning
United Kingdom flag.svg English Critical Up —
Japan flag.svg Japanese 会心アップ
France flag.svg French Coups critiques ↑
Germany flag.svg German Krit.-Rate↑
Spain flag.svg Spanish Crítico ↑
Italy flag.svg Italian Danno critico ↑
China flag.svg Chinese (simplified) 会心提升
Taiwan flag.svg Chinese (traditional) 會心上升
South Korea flag.svg Korean 회심 업
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