Blades of Putrefaction

Blades of Putrefaction has a warp
charge value of {5}.
If manifested, select a visible friendly DEATH
GUARD unit within 18" of the psyker. Until the
start of your next psychic phase, add 1 to all
wound rolls made by that unit in the Fight phase. Furthermore, any wound rolls of 7+ made for
that unit in the Fight phase with a melee plague
weapon inflict a mortal wound on the target in addition to any other damage.