Gaze of Ynnead

Gaze of Ynnead has a warp charge value of 8.
If manifested, select a visible enemy unit within 18" of the psyker and roll a D6.
On a 1, that unit suffers a mortal wound.
On a 2-5 that unit suffers D3 mortal wounds.
On a 6, that unit suffers D6 mortal wounds.