The Lay of Leithian - Canto II J. R. R. Tolkien

Far in the Northern hills of stone
in caverns black there was a throne
by flame encircled; there the smoke
in coiling columns rose to choke
the breath of life, and there in deep
and gasping dungeons lost would creep
to hopeless death all those who strayed
by doom beneath that ghastly shade.

A king there sat, most dark and fell
of all that under heaven dwell.
Than earth or sea, than moon or star
more ancient was he, mightiеr far
in mind abysmal than the thought
of Eldar or of Men, and wrought
of strength primеval; ere the stone
was hewn to build the world, alone
he walked in darkness, fierce and dire,
burned, as he wielded it, by fire.
He 'twas that laid in ruin black
the Blessed Realm and fled then back
to Middle-earth anew to build
beneath the mountains mansions filled
with misbegotten slaves of hate:
death's shadow brooded at his gate.
His hosts he armed with spears of steel
and brands of flame, and at their heel
the wolf walked and the serpent crept
with lidless eyes. Now forth they leapt,
his ruinous legions, kindling war
in field and frith and woodland hoar.
Where long the golden elanor
had gleamed amid the grass they bore
their banners black, where finch had sung
and harpers silver harps had wrung
now dark the ravens wheeled and cried
amid the reek, and far and wide
the swords of Morgoth dripped with red
above the hewn and trampled dead.
Slowly his shadow like a cloud
rolled from the North, and on the proud
that would not yield his vengeance fell;
to death or thraldom under hell
all things he doomed: the Northern land
lay cowed beneath his ghastly hand.
But still there lived in hiding cold
Beor's son, Barahir the bold,
of land bereaved and lordship shorn
who once a prince of Men was born,
and now an outlaw lurked and lay
in the hard heath and woodland grey.