Сильмариллион
Of the Fifth Battle: Nirnaeth
InthishourtheplotsofUlfangwererevealed.ManyoftheEasterlingsturnedandfled,theirheartsbeingfilledwithliesandfear;butthesonsofUlfangwentoversuddenlytoMorgothanddroveinupontherearofthesonsofFeanor,andintheconfusionthattheywroughttheycameneartothestandardofMaedhros.TheyreapednottherewardthatMorgothpromisedthem,forMaglorslewUldortheaccursed,theleaderintreason,andthesonsofBorslewUlfastandUlwartheretheythemselveswereslain.ButnewstrengthofevilMencameupthatUldorhadsummonedandkepthiddenintheeasternhills,andthehostofMaedhroswasassailednowonthreesides,anditbroke,andwasscattered,andfledthiswayandthat.YetfatesavedthesonsofFeanor,andthoughallwerewoundednonewereslain,fortheydrewtogether,andgatheringaremnantoftheNoldorandtheNaugrimaboutthemtheyhewedawayoutofthebattleandescapedfarawaytowardsMountDolmedintheeast.
LastofalltheeasternforcetostandfirmweretheDwarvesofBelegost,andthustheywonrenown.FortheNaugrimwithstoodfiremorehardilythaneitherElvesorMen,anditwastheircustommoreovertoweargreatmasksinbattlehideoustolookupon;andthosestoodthemingoodsteadagainstthedragons.AndbutforthemGlaurungandhisbroodwouldhavewitheredallthatwasleftoftheNoldor.
