There's one for killing someone with a traffic cone, or killing someone while they're flying to their death.
nothing
You can't kill the Sergeant on Outskirts because he is an important character to the game however you were able to kill him in Halo 1.
no, you cannot kill kat, but she can kill you. like she has to me, many times. note: the other spartans in halo reach cannot be killed by you.
That is classified
Evilhoof is not a character in Halo 3. If this is another player, shoot them.
no he's ur ally in halo 3 but in halo 2 they've never met yet till halo 3
Kill them
kill a brute cheiftan
runnin around kill aliens
No
The banshee is a flying machine in Halo Reach used to kill Spartans in multiplayer.
the host kill you with their halo, they use it like a frisbee.