Then he retired to a private place for prayer, desiring the few persons whom he had informed of his approaching fate to keep their information secret, as he knew well the effect such intelligence would have on his army, were it generally known.
[Illustration: ROCK OF CASHEL.] Though the king had no doubt that he would perish on the field, he still showed the utmost bravery, and made every effort to cheer and encourage his troops; but the men lost spirit in the very onset of the battle, and probably were terrified at the numerical strength of their opponents.
Six thousand Munster men were slain, with many of their princes and chieftains.

Cormac was killed by falling under his horse, which missed its footing on a bank slippery with the blood of the slain.

A common soldier, who recognized the body, cut off his head, and brought it as a trophy to Flann; but the monarch bewailed the death of the good and great prince, and reproved the indignity with which his remains had been treated.

This battle was fought at a place called Bealagh Mughna, now Ballaghmoon, in the county of Kildare, a few miles from the town of Carlow.[202] Flahertach survived the battle, and, after some years spent in penance, became once more minister, and ultimately King of Munster.

As he advanced in years, he learned to love peace, and his once irascible temper became calm and equable.
The Rock of Cashel, and the ruins of a small but once beautiful chapel, still preserve the memory of the bishop-king.