The pinnacle of our story in the OT occurs today. And maybe we can imagine we have reached “The Pinnacle” , a  high point of the Appalachian Trail, in eastern Pennsylvania where “trekkers flock” (1) to lookout point to take in the rugged mountain scenery”. The Assyrians are coming, but we know that Hezekiah had been down on his knees in prayer, his prophets have advised him, “Your God will hear you” (thank you Micah 7:7). God responds. He responds in a big way, “Joshua and battle of Jericho” kind of way. Let’s look again at 2 Kings 19.

Isaiah Prophesies Sennacherib’s Fall

20 Then Isaiah son of Amoz sent a message to Hezekiah: “This is what the Lord, the God of Israel, says: I have heard your prayer concerning Sennacherib king of Assyria. 21

32 “Therefore this is what the Lord says concerning the king of Assyria:

“‘He will not enter this city
    or shoot an arrow here.
He will not come before it with shield
    or build a siege ramp against it.
33 By the way that he came he will return;
    he will not enter this city,
declares the Lord.
34 I will defend this city and save it,
    for my sake and for the sake of David my servant.’”

35 That night the angel of the Lord went out and put to death a hundred and eighty-five thousand in the Assyrian camp. When the people got up the next morning—there were all the dead bodies! 36 So Sennacherib king of Assyria broke camp and withdrew. He returned to Nineveh and stayed there.

https://traveltips.usatoday.com/hiking-pinnacle-hamburg-pennsylvania-18564.html