User:LordBiro/Skill progression

Parameters

 * attribute : The name of the attribute which the skill is tied to. Mandatory.
 * maximum : The maximum attribute level possible for this skill. The default maximum is 18, you cannot specify a maximum less than this.  A value up to 21 can be specified.  Omit if the default is suitable.
 * varn name : the name of the variable n
 * varn at0 : the value of the variable n when there are 0 points in the attribute.
 * varn at15 : the value of the variable n when there are 15 points in the attribute.
 * n can have a value of 1 to 4, allowing the skill to have up to 4 variable attributes. At least one variable attribute needs to be defined.