- Soulhunter rune weapons .. possess a special kind of soul-drinking ability that behaves much like the soul-drinking feature of certain "conventional" rune weapons.
However, instead of actually consuming the soul of the victim, the Soulblade, as they are called, takes and temporarily contains the soul
I can't find any mention of a savings throw but do you figure it would work in a similar way that any attack which draws blood necessitates a save vs magic of 14+ or the soul is drawn in?