- Main article: Unique Monster (XC1)

Target window of a Unique Monster
Unique Monsters are a special group of enemies in Xenoblade Chronicles that have unique names. They are more powerful than typical enemies in the same area, and will always attack the party regardless of their level.
Unique monsters are characterized by a special target window frame. When a specific Unique Monster is defeated for the first time in a given play-through, the party earns one Affinity Coin per member.
They will always drop a Gold Treasure Chest, except the quest-exclusive Conflagrant Raxeal which always drops a silver chest.
The background music "You Will Know Our Names" is played during battles with Unique Monsters, except during the battle against the Frenzied Bana, in which "A Tragic Decision" is played.
There are 157 Unique Monsters in the game, including 5 Superbosses and 49 Quest Unique Monsters, with 8 being Quest Exclusive.
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Unique Monster (XC1) -
Superboss -
Avalanche Abaasy -
Banquet Vassago -
Veteran Yozel -
Final Marcus -
Despotic Arsene -
Ancient Daedala
All items (254)
- Abnormal Clone Barg
- Active Impulso
- Affluent Beleth
- Aged Leraje
- Ageless Moabit
- Aggressive Cornelius
- File:AggressiveCornelius.png
- Agile Albatro
- Agile Barbatos
- File:Agniratha UM.png
- Agniratha Unique Monsters
- Air Marshal Reisenbach
- File:Alberto.png
- Amber Fischer
- Amorous Arca
- Ancient Daedala
- Armoured Rockwell
- Avalanche Abaasy
- Balanced Palamedes
- Banquet Vassago
- Barbaric Sitri
- File:Barbaric Sitri.png
- Beautiful Vagul
- Benevolent Aim
- File:Bionis Leg UM.png
- File:Bionis' Interior UM.png
- Bionis' Interior Unique Monsters
- Bionis' Leg Unique Monsters
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- Bizarre Ragoel
- Blizzard Belgazas
- File:BlossomDance.png
- Booming Frederick
- Breezy Zolos
- Brutal Gravar
- Buoyant Rostein
- Calm Anzabi
- Canyon Valencia
- Caustic Naquatra
- Cautious Balteid
- Cellar Bugworm
- File:Cellar Bugworm.png
- File:Cellar bugworm.png
- File:Central Factory UM.png
- Central Factory Unique Monsters
- File:CentralFactoryUM.png
- Citadel Tostega
- Clamorous Dablon
- Clandestine Apety
- Clifftop Bayern
- File:ClifftopBayern.png
- Cold Ageshu
- File:Colony 6 UM.png
- Colony 6 Unique Monsters
- Colony 9 Unique Monsters
- File:Colony9 DE UM.png
- File:Colony9UM.png
- Commander Oracion
- File:CommanderOracion.jpg
- Conflagrant Raxeal
- Confluent Uzva
- Contemptuous Greymane
- File:Cool-Off.png
- Cumulus Danaemos
- Custodian Barreldart
- Cyclonic Yughana
- Dark King Barbarus
- Dark Kisling
- Dark Murakmor
- Dazzling Tolosnia
- Deadly Medorlo
- Defective Ipos
- Deputy Seagal
- Despotic Arsene
- File:Despotic Arsene battle.jpg
- Destroyer Salvacion
- Destructive Bors
- File:Dim wisp.png
- Dismal Umya
- Drifter Jutard
- Elder Gragus
- Elegant Marin
- Enchanting Grune
- Erratic Goliante (XC1)
- File:Eryth Sea UM.png
- Eryth Sea Unique Monsters
- Eternal Palsadia
- File:Ether Mine DE UM Map.png
- Ether Mine Unique Monsters
- Evil Bathin
- Evil Rhangrot
- Experienced Tristan
- Exposure Wolfol
- Faithful Lancelot
- File:Fallen Arm UM.png
- Fallen Arm Unique Monsters
- Fate Labolas
- Field Altrich
- Fiendish Auburn
- Final Marcus
- Firework Geldesia
- Flabbergasted Jerome
- Flailing Bracken
- Frenzied Bana
- File:Frenzied Bana.jpg
- File:Frenzied Bana.png
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- Funeral Gozra
- Furious Jozan
- File:Galahad Fortress UM.png
- Galahad Fortress Unique Monsters
- Gentle Mother Armu
- Gentle Rodriguez
- Ghostly Mahatos
- Glacier Acon
- Glorious Buer
- Glorious Jurom
- Gluttonous Eugen
- File:Gluttonous Eugen.png
- Graceful Holand
- File:Graceful Holand.png
- Grotesque Deimis
- Illustrious Golteus
- Immovable Gonzalez (XC1)
- File:Immovable Gonzalez DE.png
- Impenetrable Redrob
- Indomitable Daulton
- Infernal Crocell
- Inferno Heinrich
- Itinerant Dorothea
- Lake Magdalena
- Lakebed Orthlus
- Lazy Bluco
- Lightning Ronove
- Lightspeed Sonid
- File:Lightspeed sonid.jpg
- Magestic Mordred
- Magnificent Digalus
- Majestic Clone Barg
- File:Makna Forest UM.png
- Makna Forest Unique Monsters
- Marquis Odesh
- Masterful Gigapur
- File:Mechonis Field UM.png
- Mechonis Field Unique Monsters
- Meditative Varla
- Mild Florence
- Mining Patrichev
- Mischievious Naberius
- File:Mischievous Naberius.jpg
- Moonlight Paimon
- Musical Vanflare
- Mysterious Barnaby
- Mystical Klesida
- Peeling Kircheis
- Perceptive Quinops
- Phlegmatic Jamir
- Plump Sprahda
- Powerful Eligos
- Precious Retrato
- File:Prison Island UM.png
- Prison Island Unique Monsters
- File:PrisonIslandUM.png
- Proper Bandaz
- Prosecutor Davrum
- Prosperous Zepar
- Protective Torquidon
- Prudent Purson
- Ravager Apelpisía
- Reckless Galdon
- Reckless Godwin
- Reckless Zanden
- File:Red.png
- Revolutionary Bifrons
- Roguish Frengel
- File:Roguish Frengel.png