Fading Vigour

Fading Vigour has a casting value of 6 and a
range of 18".
If successfully cast, pick 1 enemy unit within
range and visible to the caster.
Subtract 1 from the Attacks
characteristic of that unit's melee weapons (to a
minimum of 1) until your next hero phase.
If the unmodified casting roll for this spell is 9+
and this spell is not unbound, subtract 2 from the
Attacks characteristic instead of 1 (to a minimum
of 1)