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.
Serara                               Shiroe                       Rundel Haus Code
Touya                                           Minori                             Isuzu 











Serara                              Shiroe                                  Rundelhaus 
Serara                               Shiroe                       Rundel Haus Code