Understanding the Mechanics of Discipline

[Legacy_Mystery X]

               According to the Wiki, the DC for the Discipline skill check is the opponent's attack roll.

Is that the modified or unmodified attack roll?
               
               

               
            

[Legacy_HipMaestro]

               Modified by what? All attack rolls use the Attack bonus which includes all the normal components.  I don't think I've even ever encountered an "unmodified" attack roll.  Unless you are referring to something else entirely?
               
               

               
            

[Legacy_Mystery X]

               I was reading the roll as the result of the d20.  Unmodified attack rolls are used to determine always hitting on 20 and always missing on 1.