the best stage of development — as in "I met her at the pinnacle of her success."
a high pointed rock formation or mountain peak — as in "The eagle circled the rocky pinnacle."
a pointed tower at the top of a building — as in "With the pinnacle, it is the highest building in the city."
Several hundred square huts, each glowing with a different color, rested like children's playing blocks in concentric circles around a large pinnacled structure that towered above the others at the village's center.
Chapter 7 (89% in)
There are no more uses of "pinnacle" in Black: The Birth of Evil.