Genesis 22:3-10 showed that Abraham was capable of the blood-covenant friendship with God.

................When God saw his spirit of devotion, the angel stopped his hand.

..........................Hebrews 11:
17 "By faith Abraham, when he was tried, offered up Isaac: and he that had received the promises offered up his only begotten son, 18 Of whom it was said, That in Isaac shall thy seed be called: 19 Accounting that God was able to raise him up, even from the dead;......"