: I am not looking for any kind of human or equivalent. They shouldn't even try
: since I think we agree their humanity is all but gone. The Knights have
: insect-like features and the back plates act the way some insects enlarge
: their profile in an aggressive manner. More of it would work for me. I
: also don't want more of the Covenant style of aggression from the past. I
: want to see some alien yet recognizable at the same time.

: I assume there is nothing much human about them anymore. Basically some kind
: of essence that acts as an AI.

OK, but none of that says how they could work as enemies that seem like actual thinking beings-- and if they don't seem that way (like right now), that's a problem, because they're supposed to be some of the best, which implies thinking.