Is it possible that the Conduits will be usable in multiplayer? They were absent in Con1's MP, and after seeing the desert map and how big it is, those Conduits will come in handy if you want to go around the map. They can be destroyed and 20 seconds later, regenerate. And MAYBE one, would lead to a secret room only accessable by that Conduit, which that room has the powerful weapon chosen. They could make Team Objective VERY interesting.
Can it be done? (Halo has teleporters, we have Conduits! Which are cooler.)
But why not they can also lead you to secret places on the maps! In the room is a powerful weapon, and a button that does something to the map. (Like in the one with the crashed Trust ship that you can turn on the engines and burn people!) Like a draw bridge, big turret, automated lasers (Like Sandtrap in Halo 3.), and other crazy stuff!
^ That was similar to what I had in mind, but instead of secret areas I imagined a map with areas cut off from each other. Conduits would provide the only means of traveling from on section to another.
Remember those in prison as if you were their fellow prisoners, and those who are mistreated as if you yourselves were suffering. Hebrew 13:3 (NIV)