Both Uses

pinnacle
in
Beowulf - (translated by: Ebbutt)
(Auto-generated)

...and the walls towered up high and majestic, ending in pinnacles and gables resembling the antlers of a stag.
*

pinnacles = pointed towers
Anon there appeared a roughly trodden path, which soon became a stone-paved road, and the way led on to where the great hall, Heorot, towered aloft, gleaming white in the sun; very glorious it seemed, with its pinnacled gables and its carved beams and rafters, and the Geats gazed at it with admiration as the Warden of the Coast said: "Yonder stands our monarch's hall, and your way lies clear before you.†

Definitions:

(1) (pinnacle)
the highest point -- either literally, like the top of a mountain, or figuratively, like the peak of success or achievement
(2) (meaning too rare to warrant focus)