OT-PROPHET.filter - acv harden:

acv@Isaiah:63:17 @ O LORD, why do thou make us to err from thy ways, and harden our heart from thy fear? Return for thy servants' sake, the tribes of thine inheritance.

acv@Daniel:5:20 @ But when his heart was lifted up, and his spirit was hardened so that he dealt proudly, he was deposed from his kingly throne. And they took his glory from him,