Each time an ASURYANI PSYKER model from your army is destroyed by an enemy unit, that enemy unit gains a Vengeful Dead token. Each time a WRAITH CONSTRUCT model from your army makes an attack that targets a unit with one or more Vengeful Dead tokens, add 1 to the Hit roll and add 1 to the Wound roll.
ASURYANI PSYKER models from your army have the following ability:
Spirit Guides (Aura): While a WRAITHBLADES, WRAITHGUARD or WRAITHLORD unit from your army is within 12" of this model, that unit has the Battle Focus ability.