im working on a movie called, the white knights part 1:darkness returns

Plot : (working on characters) kids find an old ruin with (number) swords,bows,maces,spears.and as soon as they take these weapons they feel stronger faster and well wiser,over time they get more and more strenght and power. They soon encounter a large amount of warriors with darkness in their hearts,then afture much fighting they encounter the generals which are about even with them.