Bile-torrent

Declare: Pick a friendly Skaven Priest to chat this prayer, pick a visible enemy unit within 13" of them to be the target, then make a chanting roll of d6.

Effect: Roll a number of dice equal to the number of models in the target unit. For each 5+, inflict 1 mortal damage on the target. if the chanting roll was 8+, inflict 1 mortal damage on the target for each 4+ instead.