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For the story variant, see Offensive Seeker Unit (story).

Offensive Seeker Units are Mechon enemies in Xenoblade Chronicles. They can be found at level 56 on the Fallen Arm. There are similar looking Mechon on the Fallen Arm as well as at Mechonis Field.

These Mechon can be found at the Connecting Bridge. Defeating four of them is required to complete the quest A Tough Battle given by Kazat in the Hidden Machina Village. Additionally, they can drop the Refined Part Ms needed for Restoring the Capital 2.

Two Story Exclusive variants appear at level 52 at Power Pipe Ruins on the Fallen Arm. They must be defeated by Sharla and Reyn as part of a story event not long after the party arrives on the Fallen Arm. This variant does not carry or drop any treasure.



Art Attribute Multiplier Hits Range Effect Knockback Blowdown/Daze
Boost OneStatus---Strength Up--
Boost TwoStatus---Agility Up--
DelayalStatus--Circle around casterSlow
Ether Down
RushPhysical2.8 – 3.01-Double Damage if Toppled--

† It has not yet been confirmed whether this enemy uses Boost Two, Delayal and Rush.


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



Wood 77.6%
Silver 19.4%
Gold 3%

Wood chests will contain 1 or 2 items from the "Wood" table.
Silver chests will contain 2 items from the "Silver" table and 1 from the "Wood" table.
Gold chests will contain 2 items from the "Gold" table, and 1 from each of the "Silver" and "Wood" tables.


Refined Part M 73.7%
Quality Jet 26.3%


Lock-On Resist III Ice 31.3%
Arts Seal Resist III Wind 31.3%
Prosperity Biter 1 slot 8%
Wolf Guarder 2 slots 1.9%
Draft Rifle 2 slots 1.6%
Cerasus Cutlass 2 slots 1.1%
Amethyst Boots 1 slot 16%
Brave Gloves 1 slot 3.7%
Stellar Gauntlets 1 slot 3.1%
Orion Bottoms 0 slots 2.1%


Jumbo Guarder 1 slot 8.8%
Jumbo Guarder 2 slots 7.3%
Snaer Striker 2 slots 4.9%
Unique Weapons
Century Staff 18%
Dividing Line 3%
Unique Armours
Inferno Armour 22%
Earth Boots 18.3%
Blade Boots 12.3%
Advanced Art Books
Blinding Blossom Dunban 2.4%
Aura Burst Reyn 1.6%
Heal Round Sharla 0.9%
Ether Drain Fiora 0.4%


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