You don't want to see your blood going the way they did.

She had never seen so much blood come out of one body before.

I could see blood on the side of his face.

But some old friends would like to see new blood.

Likely the only time any of them saw blood was when they cut themselves.

I've seen enough blood to last me a long time.

He saw the blood, which was on both of their hands now.

They'd see the blood and the man on the floor.

To the last time she'd seen her own blood like this.

But it hadn't been the first time he had seen so much blood, either.