The ability entry for the ability 'Blood Sacrifice' goes as follows:
Each Wound the caster sacrifices when
they cast a power increases the Strength of the power. This
does not raise the difficulty or add properties to the power.
Wounds that have been regenerated or healed cannot be
My question is, does this have to be a Wound originating from the caster, or can the caster choose to surround itself with 'volunteers'/flunkies/sacrifices/slaves, tear their heart out, and offer it for the same power increase? Like a proper Aztec blood cult would do : )