Obsessive Collectors

When an enemy unit is destroyed as a result of an attack made with a melee weapon by a model in a unit from your army with this obsession, you can select one model in the attacking model’s unit to regain up to D3 lo st wounds .’ If the attacking model is a Wrack, you can instead return up to D3 destroyed models to that unit, placing them on the battlefield and in unit coherency (if the models cannot be placed in this way, they are not returned to the battlefield).