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Mechon M55 (normal)

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For the variant from the Xord battle, see Mechon M55 (story).
Mechon M55 Wiki-wordmark
Mechon M54 Attack Unit          
Area(s) Ether Mine  
Type Mechon Level(s) 19 – 22  
Respawn Yes Movement Type Ground  
Detection Type Sight Kindred Yes  
View Angle 120° View Distance 11 M  
EXP 153 AP 78  
Spawn Time Any  

Mechon M55 are enemies in Xenoblade Chronicles. They are Mechon and appear at level 19 – 22 in the Ether Mine, specifically on the east platform of Central Pit - Level 2 and near the ether deposits on the north and south sides; on the west and northeast sides of Central Pit - Level 3; and at the ether deposit near Personnel Lift 3 on Central Pit - Level 3. These areas become inaccessible after using the Freight Elevator to leave the ether mine.

There is a Story Exclusive variant in the Central Pit - Base Level of the Ether Mine. It is fought at level 21 during the battle against Xord.


HP Strength Ether Agility Double Attack Rate Critical Hit Rate Physical Defence % Ether Defence % Defence Direction
18,500 400 276 49 10 % 0 % 0 % 0 % N/A


Art Attribute Multiplier Hits Range Effect Knockback Blowdown/Daze
ReconstructStatus--Circle around casterStrength Up
Cross ClawPhysical2.8 – 3.02Frontal Arc-Yes (2)-
Cut ScratchPhysical2.8 – 3.01-Bleed--
Dead SlashPhysical2.8 – 3.01-Topple--
Hit BackPhysical2.3 – 2.51Frontal Arc-Yes (1)-
Skull CrackPhysical2.8 – 3.01-Daze--
Energy FlashEther2.55 – 2.751Circle around casterEther Defence Down--
Thunder FlashEther3.05 – 3.251Circle around casterParalysis--

† It has not yet been confirmed whether this enemy uses Reconstruct, Cross Claw, and Thunder Flash.


Break Lock-On Physical Defence ▼ Agility ▼
Topple Bind Ether Defence ▼ Aura Seal
Daze Paralysis Attack Power ▼ Arts Seal
Sleep Slow Ether Power ▼ Death

△ = 70% resistance
▲ = 100% resistance unless certain conditions are met
◇ = 70% resistance, but no resistance during chain attack
◆ = 100% resistance, but no resistance during chain attack
○ = no resistance
× = immune



Wood Silver Gold
72.8% 24.3% 3%


Materials Cracked Part S 67.7%
Upgraded Frame 32.3%


Small Wind Cylinder (I) Topple Up I 31.3%
Large Fire Cylinder (II) Strength Up II 31.3%
Weapons Pile Driver 2 slots 4.3%
Calm Shot 2 slots 3.6%
Lieutenant Pike 1 slot 2.4%
Lieutenant Pike 2 slots 2.2%
Armours Grand Leggings 1 slot 8.6%
Iron Gauntlets 0 slots 7.2%
Iron Boots 0 slots 4.8%
Iron Armour 0 slots 4.3%


Weapons Jaguar Lancer 2 slots 8.1%
Brain Rifle 3 slots 6%
Brain Rifle 2 slots 5.5%
Jaguar Lancer 3 slots 4.2%
Unique Weapons Phalanx 19%
Bloody Roar 9.5%
Unique Armours Empress Arms 37.3%
Empress Greaves 5.6%
Journey Diadem 4.7%

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