natychmiastowy zgon

When she opened her eyes again, it would be to face either a new life or an instant death.

In war time such a mistake could cause instant death.

One move from any member of the squad would mean instant death to all.

To possess them means instant death, I will wait for you here.

The threat of instant death hung heavy in the air.

Yet they realized that any attempt to start a battle would mean their instant death.

So other than the potential of instant death, everything was cool.

Yet to do so would mean instant death in the moon's vacuum.

The blade had to be inserted in such a way as to cause instant death.

Stuff so strong even the tiniest cut would cause almost instant death.