The sum total of all the attack and defense values of all your gear will determine the final light level. (gamechup.com)
For each army in the box you've got four different troops with matching cards that list their attack and defense values as well as any special abilities. (wolfsgamingblog.com)
You can assign your attack points however you see fit, so you could pour them all into an annoying card that has a high defense value or spread them out against several smaller foes, perhaps ones that have abilities you want to get rid of. (wolfsgamingblog.com)