Advanced Injury System, Additions (5e Variant Rule)

Additional rules for Advanced Injury System (5e Variant Rule).

Creatures Without Fatigue

There are creatures, what are immune to fatigue. They never exert, or tire. Such common examples include undead, constructs, vehicles, machines, inanimate objects, and other things what either don't have fatigue at all, or can work for hours or days straight without resting or stopping.

Such creatures immune to fatigue work, as if their Vitality was infinite. They can only be defeated by attacks, what directly damage their Wounds - such as critical hits.

Non-Living Creatures

Creatures not made of living matter - such as undead or machines - are considerably better at tolerating injury.

Such creatures don't enter dying state - while they do get disabled, they can't run out of blood or get infections. The also aren't automatically killed if vital part is Destroyed - again, they're disabled, but can be repaired.

Pain Immune

Creatures, what are immune to pain, don't loose much efficiency when wounded. Pretty much all Non-Living Creatures don't feel pain and shock.

Creature, what is immune to pain, doesn't get any disadvantages for rolls from Grazed and Pained damage levels. Harmed and higher still impose disadvantages normally - as body part is too damaged to work properly (e.g. even if you don't fell pain, walking around with broken leg is difficult).

Creatures of different size

Bigger creatures can take more hits than small creatures - while smaller creatures can take less damage.

For each size category above Medium, double amount of Wounds. For each size category above Medium, divide amount of Wounds by 2. Optionally, you can choose bigger or smaller multiplier in your campaign.

Creatures of different materials

There are creatures made of materials tougher than flesh.

Creatures made of dead matter have 1.5 times more Wounds. Creatures made of solid soft materials, like clay, have 2 times more Wounds. Creatures made of stone have 3 to 4 times more Wounds. Creatures made of metal have 6 to 8 times more Wounds. Creatures made of extremely tough metal, like adamantine, have 10 to 12 times more Wounds.

On top of that, if creature doesn't have any discernible anatomy, it has 2 times more Wounds.

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