So relentless was his swift appearance, so implacable in purpose, that Spinrobin felt the sudden impulse to fly to her assistance.

At the very sea's margin a great battle was fought between the last king of the Firbolgs with his men, and the De Danaans under Nemed's sons; so relentless was the fight along the tideways that few remained to tell of it, for Erc's son Eocaid fell, but Nemed's three sons fell likewise, The three De Danaan brothers were buried at the western end of the strand, and the place was called The Gravestones of the Sons of Nemed, in their memory.

They were as keen on the trail as Yaquis and as relentless as wolves.