Rundelhaus hid from his friends that he was one of the land people, but the price of fighting off the dire wolves was that he took a fatal wound.  If they can't save him, he'll die and he won't revive.
one of the People of the Land.
de la Gente del Pueblo.
... una Persona della Terra.
do Povo da Terra.
И он… из Людей земли!