The Spirit of the Martyr sacred rite (see Codex: Adepta Sororitas) is active for this WARLORD in addition to any others that are active for your army.
This WARLORD has the following ability: 'Saint Katherine's Legacy (Aura): While a friendly ORDER OF OUR MARTYRED LADY unit is within 6" of this WARLORD, if the Spirit of the Martyr sacred rite is active for your army, or for that unit, each time you roll a D6 when a model in that unit is destroyed, the attacking model suffers a mortal wound on a 5+.
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