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Cut Away View of Armor
Armor is the material on the chassis of 'Mechs, Vehicles, Aerospace, and VTOLs that provides protection from enemy weapons fire.

NOTE: "Armor" can also mean a tank, hovercraft, or mobile artillery that has yet to be specifically identified by one's radar.

NOTE: While there are multiple types of armor in MWLL, the different types (except for stealth armor) generally don't have a noticeable effect on gameplay.


Armor is the 'health' or 'hitpoints' of each asset, (other than BA). Unlike other games, where only the total armor is tracked, MWLL tracks the armor of every part of the asset.

Whenever an asset is dealt damage, armor is removed from whatever component or hitbox was hit by the weapon. Weapons with splash damage can hit multiple components at the same time. When destroyed, each component has a specific effect on how the asset functions. Some hitboxes are large, like the side torsos on a Mauler, while other hitboxes are small, like the turret on a Shoden. Hitbox size and location, and whether or not the pilot can quickly move that component out of line of sight, affects how easy it is to damage that particular component.

Armor can be repaired at a Repair Pad or in some Mech Hangars at the cost of CBills.

See Stats for asset armor values.


Armor Sections of a Mech

When the armor reaches zero on any 'Mech component (except the legs), that component is destroyed.


Destroyed Head armor leaves the pilot exposed. Additional damage will kill the pilot. The head armor is also destroyed when the pilot ejects. Whenever a weapon damages a mech's head armor, some of that damage will transfer to the center torso. This helps prevent instant death from veteran players with perfect aim.

Arms and Externals

Destroying a 'Mech's arm or external will permanently destroy that component and all of that component's weapons. Destroyed arms and externals cannot be repaired. Arming or externaling a 'Mech can be a good tactic against larger 'Mechs. Sometimes it isn't possible to win in combat against a larger opponent, but causing permanent damage by removing arms or externals can be an effective strategy to make the enemy permanently weaker, often forcing the enemy to sell their 'Mech.

Externals are almost the same as the arms on the 'mech. Externals only aim along with other torso mounted weapons and don't gain the benefit of being able to shoot at wider angles like arms. Externals do benefit from an elevation advantage making weapons mounted on externals less likely to accidentally miss their target when shooting over hills and other cover.


For the legs, after the armor is destroyed, additional damage will damage the leg's internal structure. This causes reduced mobility including reduced top speed, reduced reverse speed, and reduced turning speed. Once the internal structure of of the leg is completely destroyed, the mech will lose all mobility (except for jump jets and torso twist). A completely destroyed leg cannot be repaired and additional damage to that leg will cause no damage transfer.


All mechs in MWLL have a center torso, left torso, right torso, and back torso.

Some 'Mechs like the Solitaire, Chimera and Hollander II have asymmetrical armor distribution to protect their main weapon(s) or easier-to-hit side torso. This extra protection does not come for free: their other side torso is always less armored and can be destroyed more easily.

If the rear torso is heavily damaged or destroyed, damage transfers to the center torso with a multiplier and the 'Mech generally loses half its maximum speed as well as some heat dissipation. Some 'Mechs may lose less, depending on the engine used. This reflects the engine damage that can be dealt and also makes shooting the backs of 'Mechs much more effective.

Shooting a destroyed side torso will cause the damage to transfer to the center torso. The amount of damage transferred depends on what engine the 'Mech has. Regardless of engine type and considering no other factors, the fastest way to destroy a mech is by destroying its center torso.

Engine Side Torso
Damage Transfer to CT
Back Torso
Damage Transfer to CT
Standard +0% +50%
IS XL +100% +200%
IS Light Fusion +50% +100%
Clan XL +66% +200%
Compact Fusion -34% +0%


Armor Sections for Vehicles

Not to be confused with base defenses, the turret for every almost every vehicle is a heavily armored component and is typically the location where most or all of the vehicle's weapons are mounted. The Front panel will typically have the most armor of the panels, followed by either Left or Right panels having moderate armor, and the Back panel having the least armor. While it is quicker to focus fire on a weaker side or back panel, competent tank and hover pilots will rotate their chassis to hide their damaged panels as they wear out. While the turret is the most armored component, no amount of rotating can hide its visibility.

When a vehicle loses a side, it will suffer loss of mobility or turn rate, depending on which area is lost. If the turret is destroyed, its traverse rate is severely degraded but the vehicle will not lose any weapons.

Any damage dealt to a destroyed area on a vehicle transfers damage to its internal structure. If internal structure reaches zero, the vehicle is destroyed.

Hovercraft have most of their armor reinforcing their front panel, giving them some extra protection when peeking above terrain- however, this leaves their turrets only slightly more armored than either side panel.

Tanks and wheeled vehicles have most of their armor reinforcing their turret, having only slightly less armor than both of the side panels combined, making it extra important for tank drivers to keep their less-armored panels out of harms way.

Aerospace Fighters

Armor Sections for Aerospace

Aerospace fighter (ASF) damage functions similarly to that of vehicles, except aerospace fighters have no internal structure; as soon as their Body hits zero, they are destroyed.

Losing a wing causes weapon loss and a slight maneuverability reduction -- the ASF is still airworthy with a destroyed wing, although it becomes much more vulnerable to being killed, as shots to a destroyed wing transfers damage to the body at a 3.0x rate, making it a viable tactic for defeating ASFs provided you can consistently hit the same wing. Like losing the arm of a mech, repairs will not restore a lost wing- making it a dangerous gamble to invest in reusing a wingless plane, instead of selling it.

Tail loss severely mitigates the ASF's ability to fly and strafe properly by limiting its ability to pitch up and down. Engine loss cuts the overall engine power of the ASF in half, which is highly detrimental to the ASF's combat performance.

If both the tail and engine are destroyed, the ASF is no longer airworthy, it will lose much of its top speed, won't be able to boost, and will be incapable of taking off again after landing.


Armor Sections for VTOL

VTOL damage is analogous to that of ASFs, except in that tail or engine loss is typically fatal due to the effects losing either section has on the VTOL. Without either component, the VTOL's maneuverability or speed becomes so low that it is effectively a sitting duck.


Ferro-Fibrous armor (FF) is a special type of armor used by vehicles and BattleMechs. Utilizing a weave of ferro-steel, ferro-titanium, and diamond weave fibers which boosts the tensile strength of the plating, it provides more protection per ton than standard armor (12% for Inner Sphere FF, 20% for Clan FF), but takes up more space on the 'Mech or vehicle (14 critical slots for Inner Sphere, 7 for Clan 'Mechs; two slots for Inner Sphere vehicles, one for Clan). The maximum amount of protection is not changed; merely the weight of armor required to achieve that level of protection. For a unit which already has maximum armor protection, it is therefore considered a weight-saving measure, at the cost of critical space. The weight savings for Endo Steel are greater than those saved by ferro-fibrous armor, but it is more costly and obviously more difficult to repair or add as an upgrade to a 'Mech. First developed by the Terran Hegemony in 2571, Ferro-Fibrous armor was lost to the Inner Sphere during the Succession Wars. The Draconis Combine was the first to re-create it in 3040. Later, the Free Worlds League and Lyran Alliance would develop Light and Heavy versions of Ferro-Fibrous armor.

BattleTech reference