This is salvation. When God instructed the Israelites about the final plague, he painted a picture of what He was prepared to do Himself. The perfect lamb, slain, it’s blood painted around the door, it’s meat ingested, resulting in life and freedom from bondage, and the hope of the Promised Land.
The blood that saved them from certain death, while those without the blood suffered unspeakable loss. The blood, the only means of salvation.
Yes, that’s Jesus. God didn’t require anything of His people He wasn’t willing to fulfill Himself. He demanded obedience of His children, and He was obedient to His Father. That blood protected the families from death. Not might, or intellect, or self-effort. It was only the blood.
And it is still only the blood. What protects you from the consequences of sin? Without the blood of Jesus, there is no protection at all.