yet in the end were the sons of feanor masters of the field of slain , and the brown elves and the green were scattered over all the lands unhappy , for they would not hearken to maidros the maimed , nor to curufin and damrod who had slain their lord ; and it is said that even on the day of that battle of the elves melko sought against gondolin , and the fortunes of the elves came to their uttermost waning .