Feral means the ghoul has long run out of any sustenance. It cannot die, but it will become crazed, emaciated, weak, and without any though other than feeding. It cannot shift its life force – it has nothing to spare. Ghouls, as all true Undead, are unable to gain Essence – only to “consume” it.
Life Force Shifting: A ghoul has their CON in Life Force points. They can shift these into any physical ability for 10 minutes, returning to their pool at the rate of 1/Short Rest.
Body Beyond: