The original number of die to roll.
The original number of sides per die to roll.
Optional
targetSize: string | number = "M"The target size to change the die to. Can be a string of values "F", "D", "T", "S", "M", "L", "H", "G" or "C" for the different sizes. Can also be a number in the range of 0 to 8, where 4 is Medium.
Optional
initialSize: string | number = "M"The initial size of the creature. See targetSize above.
The resulting roll.
Returns the result of a roll of die, which changes based on different sizes.
Applies size change damage progression as per Paizo's FAQ entry for it.