Must be before End Date
Must be after Start Date
Did you try restarting your game? That usually works.
Its not in the in-game req store. You need to buy them from the xbox.com store. Edit: you can also go to halo.gg and click on the skins tab and buy them.
It should be around 10am PT.
It is an one hit kill, unless the enemy has the upgraded shields armor mod.
So if you restart the mission, it won't crash if you die?
10 for each game