A blood oath was a personal thing, beyond the control of the state.

Nothing will stand in the way of your blood oath.

No, he would take blood oath his enemy was not present.

"Did he make you take a blood oath that you'd protect me?"

He didn't want to accidentally blood oath them to someone else.

That was the only time I cared about taking a blood oath.

The reports were the blood oath that bound them together.

Cause we have to take a blood oath on a secret place.

He makes a blood oath and takes Helen as one of his followers.

Each man will swear a blood oath to follow my orders without question.