Originally Posted by R6soldier
I just started this mode and confused what to do...this thread says level up shield first...but achievement guide says level up your health first...which is it?
It's what you think is better really. You either get a ton of health, or more shield that regenerates. Personally I am going shield. The start of the game had some pretty tough parts because of the lack of gear and upgrades, but it's getting easier. (for now)