no matter how cool your armor is it will protect like paper mache.
no matter how many cool color patterns there are, people will always choose black because it's "badass".
there wil always be a blue team and a red team.
throwing feathers at a zombie will kill it.
110 lb teenage boys can kill large magic demons.
in the future, there are only 5-story tall robots. they fight in large metropolis', but the populus is nowhere to be seen/blown up/stepped on.
bad guys always have more money than god. (seriously, have you ever walked up to a giant base, or horde of angry robots, or labyrinthian castle and say "JEEZ! WHO FUNDS THIS SH1T?!")
boots will turn into a corroded mush, but slightly shinier boots will let you walk on lava.
everyone can do bullet time.
people can sprint, charge for 5 sec, and repeat for miles without puking regardless of amount of gear or current temperature.
no matter how many times a foe will slash you, you will never be visibly cut or damaged.