[Lameth]

Originally Posted by Gnome

I don't know if this helps, but here's what's on B423:

Instant Death
Decapitation, a cut throat, etc. can kill anyone, regardless of HT and HP. If a helpless or unconscious person is attacked in an obviously lethal way, he’s dead. Don’t bother to roll for damage, calculate remaining HP, etc. Just assume that he drops to -5xHP.

The GM is left to define what "helpless" means, but if a strong thug has an ordinary person grappled with a knife held to the person's throat, you could as a GM rule the person is helpless.

very good point thank you Gnome.