A Deadly Embrace

After a Harlequin's Embrace unit from your army makes a charge move or performs a Heroic Intervention. Select one enemy unit (excluding vehicle or monster units) within Engagement
Range of that unit and roll one D6 for each model
in that Harlequin's Embrace unit. For each 4+,
that enemy unit suffers 1 mortal wound (to a
maximum of 6 mortal wounds).