BUT... When I test it, ingame, it almost seems that the Hero doesn't have an Attack enabled. If the system accepted the numbers from the variables, the Damage would be:
Base Damage: 0 + (0.6 x Might) = 0 + (0.6 x 25) = 15
Number of Sides: 2
Sides per Die: 3
Total Damage: 15 + (2 - 6) = 17 - 21