M54 Slayer Units are two story exclusive Mechon in Xenoblade Chronicles. They can be found at level 50 at Ulna Passage on the Fallen Arm. They appear along with the M83 Predator Unit during a story event battle against Shulk protecting Fiora after the party drops from Galahad Fortress to the Fallen Arm. They do not carry any items or drop any chests.



Art Attribute Multiplier Hits Range Effect Knockback Blowdown/Daze
Cross Claw IV ‡Talent (Physical)1.3 – 1.52Frontal Arc-Yes (2)-
Cut AttackPhysical2.8 – 3.01-Double Damage if Toppled--
Dead SlashPhysical2.8 – 3.01--Yes (1)-

‡ Art name is a tentative translation. The official English name is currently unknown.


Break 70% Lock-On 0% Physical Def. ▼ 0% Agility ▼ 0%
Topple 0% Bind 0% Ether Def. ▼ 0% Aura Seal 0%
Daze 0% Paralysis 0% Strength ▼ 70% Arts Seal 70%
Sleep 70% Slow 70% Ether ▼ 0% Death 100%


This enemy drops no chests, and carries no items which can be stolen.