A third of the army of the Ulaid rose with him, too. And they went over
the river Boyne. And the other armies arose against them as they were
crossing the river. And each of them took to hacking and to cutting down
the other, destroying and wounding till there was no similitude of the
Ulaid at that point of time, unless it were a huge sturdy oakwood in
the middle of the plain, and a great army were to go close to it, and
the slender and the small of the wood were cut off, but its huge sturdy
oaks were left behind. Thus their young were cut off, and none but their
champions and their battle-warriors and their good heroes of valor
were left.

The shield of Concobar was struck so that it moaned, and the three Waves
of Erin, the Wave of Clidna, the Wave of Rudraige, and the Wave of Tuag
Inbir echoed that moan, and all the shields of the Ulaid resounded,
every one of them that was on their shoulders and in their chariots. As
the Ulaid were retreating, fresh troops came up for them under Conall
Cernac. A tree of shelter and a wreath of laurel and a hand above them
was Conall to them. So their flight was stayed. Then Conall drew the
sharp long sword out of its sheath of war and played the music of his
sword on the armies. The ring of Conall's sword was heard through the
battalions on both sides. And when they heard the music of Conall's
sword their hearts quaked and their eyes fluttered and their faces
whitened, and each of them withdrew back into his place of battle and of
combat. But so fierce was the onset of the southern armies that the
fight of the Ulaid against them was as a breast against a great flood,
or an arrow against the rock, or the striking of a head against cliffs.
Yet through the great might of Cuculain the Ulaid prevailed, and Cairpré
the King of Tara was slain. After the battle, Concobar spoke thus:
"There were three sons of Ros Ruad the king--Find in Alend, Ailill in
Cruac, Cairpré in Tara; together they performed their deeds of valor,