Size Modifier
Size Modifier
Size Modifier rates a person or object's most significant dimension: length, width, or height. It is a modifier to rolls to hit you in combat and to Vision rolls made to spot you. Thus, it is a bonus for large creatures, a penalty for small ones. Although large creatures are easier targets, a positive SM qualifies them to buy ST and HP more cheaply by taking the "Size" limitation.
Most humans – and humanoids, robots, etc. that can pass for human – have SM 0, and can ignore this rule. Nonhumans use the SM on their racial template. However, your SM may deviate from racial average if you are not full-grown, or if you are a genetic dwarf or giant.
When creating a creature that is larger or smaller than a human, find its SM by looking up its longest dimension – height for upright creatures such as giants, length for horizontal creatures such as cats and dragons, diameter for blobs – on the Size Modifier Table.
If a creature's longest dimension falls between two entries on the table, base its SM on the higher value. Box-, sphere-, or blob-shaped characters add +2 to SM; elongated boxes, like most ground vehicles, add +1.
It is neither an advantage nor a disadvantage to have a nonzero SM – the benefits and drawbacks tend to cancel out. The exceptions are genetic dwarfism and gigantism, as these conditions affect bodily proportions (notably relative arm and leg length) and have social ramifications (you stand out in a crowd).
Dwarfism (-1 SM)
-15 points
You are abnormally short for your species. Regardless of ST, your height falls below the lowest value on the Build Table – under 4'4," for a human. This gives you Size Modifier -1. Choose your weight from the first line of the Build Table and reduce it by 15%.
You have -1 to Basic Move (short legs). In combat, your reach is reduced by 1 yard. This is partly because you have short arms and partly because you must use scaled-down weapons (regardless of your ST, your arms lack the leverage to control full-sized weapons).
You get -2 to Disguise – or to Shadowing, if your are trying to follow someone in a crowd. In backward settings, the GM may require you to take a Social Stigma if you suffer from Dwarfism.
A member of any race may be a dwarf. Scale down height by a factor of 0.75 from the racial average, and modify racial SM by -1. Otherwise, the rules remain the same.
Gigantism (+1 SM)
0 points
You are abnormally tall for your species. Regardless of ST, your height falls above the highest value on the Build Table – over 7', for a human. This gives you Size Modifier +1 and +1 to Basic Move (long legs), and qualifies you to buy ST and HP at a discount. Choose your weight from the last line of the Build Table and increase it by 10%.
You get -2 to Disguise – or to Shadowing, if you are trying to follow someone in a crowd. On the other hand, height often provides a bonus to Intimidation skill. In backward settings, the GM may require you to take a Social Stigma if you suffer from Gigantism.
A member of any race may be a giant. Scale your height up by a factor of 1.25 from the racial average, and modify racial SM by +1. Otherwise, the rules remain the same.
Size Modifier Table
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