Flail of the Unforgiven

If a model has this special rule, or is attacking with a Melee weapon that has this special rule, they always Wound on a 2+ in close combat.

Similarly, if a model makes a shooting attack with a weapon that has this special rule, they always Wound on a 2+. 

In either case, this special rule has no effect against vehicles or buildings.

A model that suffers one or more unsaved Wounds from a weapon with this special rule is reduced to Initiative 1 until the end of the following Assault phase.