Then Isaiah said to Hezekiah, "Here is the proof that the LORD will protect this city from Assyria's king. This year you will eat only what grows up by itself, and next year you will eat what springs up from that. But in the third year you will plant crops and harvest them; you will tend vineyards and eat their fruit.
And you who are left in Judah, who have escaped the ravages of the siege, will take root again in your own soil, and you will flourish and multiply.
For a remnant of my people will spread out from Jerusalem, a group of survivors from Mount Zion. The passion of the LORD Almighty will make this happen!"
"And this is what the LORD says about the king of Assyria: His armies will not enter Jerusalem to shoot their arrows. They will not march outside its gates with their shields and build banks of earth against its walls.
The king will return to his own country by the road on which he came. He will not enter this city, says the LORD.
For my own honor and for the sake of my servant David, I will defend it."
That night the angel of the LORD went out to the Assyrian camp and killed 185,000 Assyrian troops. When the surviving Assyrians woke up the next morning, they found corpses everywhere.
References for 2 Kings 19:35
Then King Sennacherib of Assyria broke camp and returned to his own land. He went home to his capital of Nineveh and stayed there.
One day while he was worshiping in the temple of his god Nisroch, his sons Adrammelech and Sharezer killed him with their swords. They then escaped to the land of Ararat, and another son, Esarhaddon, became the next king of Assyria.