Foot of Gork

Range of 18". If successfully cast, pick 1
enemy unit within range and visible to the
caster. That unit suffers D6 mortal wounds.
Then, roll a dice. On a 1-3, the sequence
stops. On a 4+, the unit suffers D6 mortal
wounds. Keep rolling dice in this way
until the sequence stops or the target unit
is destroyed.