Helm of Dogs

It is rumored that an infamous former Apothecary of
the Emperor's Children aided in the crafting of this nightmarish Helm Mechanicum.
•Add 1 to the Attacks characteristic of the bearer.
•Helm of Dogs (Aura): While a friendly War Dog
model is within 6" of the bearer, each time that
model makes an attack, re-roll a wound roll of 1.