For the story exclusive variant, see Defensive/ONION (story).

Defensive/ONIONs are enemies in Xenoblade Chronicles. They are Mechon, and can be found at level 56 in Mechonis Field near the 4F Main Power Switch and the High-Velocity Lift.

A story exclusive variant is encountered during the Boss battle event against Jade Face. These Mechon are fought at level 57 at 1st Zebrai Bulkhead, on the fifth floor of Mechonis Field, and they drop no Treasure Chests.



Art Attribute Multiplier Hits Range Effect Knockback Blowdown/Daze
Lock-OnStatus--Frontal ArcLock-On--
Spinning SlicePhysical1.55 – 1.753Circle around caster---
Ether BulletEther1.8 – 2.01-Ether Defence Down--

† It has not yet been confirmed whether this enemy uses Lock-On and Ether Bullet.


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



Wood 77.6%
Silver 19.4%
Gold 3%


Tough Part M 73.7%
Reinforced Lens 26.3%


Bleed Defence IV Earth 31.3%
Lock-On Resist IV Ice 31.3%
Machina Driver 2 slots 6.5%
Machina Guarder II 1 slot 3.3%
Protector Daggers 2 slots 2.6%
Gemini Armour 1 slot 7.5%
Sleek Oil 1 slot 7.1%
Alcyone Gloves 1 slot 6.2%
F Speed Boosters 0 slots 4.2%


Machina Guarder II 2 slots 10.1%
Machina Rod 3 slots 6.8%
Protector Daggers 3 slots 3.6%
Unique Weapons
Machina Driver II 8.5%
Machina Rifle II 7.1%
Machina Rod II 4.8%
Unique Armours
Agrius Plate 43.7%
Lord Leggings 7.3%
Advanced Art Books
Metal Blast Sharla 3.7%
Healing Energy Fiora 2.5%
Engage Reyn 1.3%
Healing Gift Melia 0.6%

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