Mirror of Minds

Select one enemy unit within 18" of this PSYKER.
That enemy unit suffers D3 mortal wounds,
then roll off with your opponent.
If you win or draw that roll off,
that enemy unit suffers 1 mortal wound.
Repeat this roll off process until either that
enemy unit has suffered 6 mortal wounds,
that enemy unit is destroyed,
or your opponent wins the roll off.