If you play ZombiU's special Survival mode you only get one life for the whole game. Death is death. No respawning as another character, which is what happens in ZombiU's already-tough (and very fun) normal mode.
Kotaku · Stephen Totilo
The Lack Of Master Chief Was The Least Of Halo 5’s Campaign Problems
Kinja is in read-only mode. We are working to restore service.