Пардон муа...
Обратимся к первоисточнику:
...Feanor, in his wrath against the Enemy, would not halt, but perssed on behind the remnant of the Orcs, thinking so to come at Morgoth himself... Nothing did he know of Angband or the great strength of defence that Morgoth has so swiftly prepared, but even had he known it would not have deterred him, for he was fey, consumed by the flame of his own wrath. Thus it was that he drew far ahead of the van of his host...
Переводим: Увлекся преследованием разбитых отрядов орков, без разведки, на незнакомой территории, оторвался с малым отрядом от войска. Погиб. Кстати, наверняка и весь его отряд тоже поубивали.
Это доблесть???