Artifact Material - Loadstone

[Lestat]

Loadstone

  Loadstone, not to be confused with lodestone, the naturally occurring magnetic mineral, has been known to be the heaviest naturally occurring mineral in the Great Wheel. It is found deep within the crust of only the largest planets, and is thus almost impossible to safely gather. Not to mention that despite its incredible density it is not especially tough. Loadstone has quite the few number of uses, many belonging to minimizing size in mechanisms involving weights, although it is universally seen as more practical to find another solution. While some theoretical uses for the material have been brought up from time to time among weapon and armor enthusiasts, the reality is that any item made involving Loadstone will likely have unforeseen flaws.

  Loadstone weapons and armor often have a certain level of masculinity associated with them. People typically want to prove their strength by lifting Loadstone bars over their heads, and wearing training bracelets made of the stuff. Most of these claims however are false, as not only is the cost of real Loadstone prohibitive to most charlatans, but even real equipment incorporating Loadstone often uses other lighter materials to provide both strength, and a more reasonable total weight. Pure Loadstone also tends to make for overall less destructive weapons as the loss of balance, and velocity comes into play. With proper engineering, and manufacturing however they can be put to use in limited quantity.

• Melee Weapon: The weapon deals +2k0 damage, but gains the Unwieldy special property. If the weapon was already Unwieldy take -2k0 to dodge tests while carrying it.
  
• Ranged Weapon: Ranged attacks with this weapon get +1k0 to hit with full auto bursts, and when fired multiple times with one action. The weapon becomes one step heavier from Pistol to Basic, and from Basic to Heavy. Already heavy weapons takes a further -2k1 attack roll penalty when not braced, and impose a -2k0 penalty to dodge tests while being carried. The weapon deals +2k0 damage when used as an improvised melee weapon.
• Special Ammunition: Deal +2k0 damage with this ammunition, but halve the range.
• Armor: The maximum dexterity of the armor is reduced by 1, or is set to 3, whichever is lower. Gain a raise on Bull Rush tests, and +2k0 to damage rolls on attacks made at the end of a charge.
• Bionic Arm: +2k0 to weaponless unarmed damage rolls involving this arm, and -2k0 to dexterity tests with this arm, and tests that require fine manipulation with this arm.
• Bionic Locomotion: Reduce your speed by 2. Gain a raise on tests to avoid being forcibly moved, or knocked prone, and +2k0 to weaponless unarmed damage rolls made with your legs.
• Bionic Heart: Your Dexterity is reduced by 1. You cannot gain extra actions or reactions, or have your base speed directly improved. You cannot have an effect outright remove your actions outside of being unconscious or dead, and your base speed cannot be directly reduced.

Promethean Material Asset

Loadstone
Loadstone is a light brown mineral with incredible levels of density. Your integrated armor gains a Maximum Dexterity of 1, Transhuman Potential can not provide bonus Dexterity, and Warstrider provides no Dexterity. You gain two raises to Bull Rush, and Knock Down tests, and tests to avoid being forcibly moved or knocked prone, and Warstrider provides an extra +1 Strength, and +1 Constitution while active.

[ScrapyardDragon]

Neat idea but Darksteel already covers the "Heaviest thing ever" niche.

[Lestat]

Not mechanically outside one downside of a Promethean asset. Increased pen, lowered enemy pen, more armor, ignoring critical damage, all of these things are abstractions of toughness, and strength, not weight.

[Amanojyaku]

Darksteel is "absolutely indestructible." I only ascribed weight to it as a (theoretical) requirement for being so hard without being brittle.