The mark of Lost Life is a corruption, a taint that changes the Aura of a creature permanently. Life force is devoured from the target, and a strand of the Void is woven into their weave on The Pattern – it changes their deepest nature.
Detect + Protection From Good/Evil reated as if they were Undead; DC 10 Sanity check or -1 Sanity. Generally, has the affect of Shadow Touched; Any Persuade skill/emphasis becomes Intimidate.