The fact that it happened in 15 minutes is a sign of the sheer ferocity with which this battle was fought.
Maybe he'd thought to overpower his foe with sheer ferocity.
The depth, the sheer ferocity of her emotion surprised him.
For a moment he drove Blade back with the sheer ferocity of his attack.
He noted the discipline of the attack, and its sheer ferocity.
The sheer ferocity of the assault had caught Drizzt off his guard.
The rocks came down with a kind of sheer ferocity to the river flowing deep and swift between them.
And the sheer ferocity of his response suggested that the moon was not going to let them escape their promises so easily a second time.
But he made up for several others with sheer mad ferocity.
Yet he remained appalled by the evidence of sheer ferocity.