What is the explanation of Master Chief receiving the gifts from the Librarian if she is dead?
Again, in Spartan Ops Halsey gets to the Librarian. Where is she, and if she's dead how is this happening?
Promethean Knights were composed humans, but what are the Crawlers and Watchers? Their dogs and birds?
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[quote]What is the explanation of Master Chief receiving the gifts from the Librarian if she is dead? [/quote] Librarian AI/consciousness, as you can see once again when [quote]Again, in Spartan Ops Halsey gets to the Librarian.[/quote] [quote]Promethean Knights were composed humans, but what are the Crawlers and Watchers? Their dogs and birds?[/quote] Most probably humans as well, actually. You can hear Cortana saying "Similar cortical footprints as the tower AIs. They're connected, all right" in the third mission.