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.
A new magic spell?
Eine neuartige Magie?
¿Un hechizo nuevo?
Un nouveau sort ?
Un nuovo incantesimo?
Um novo feitiço?
Никому о ней не рассказывайте.