If you and your best friend were unarmed and trapped in a building with a single, highly motivated and capable killer, how would you fare?

The killer is armed only with melee weapons, but you and your friend are completely unarmed to begin. Let’s say you’re trapped in an old prison; no way in or out before the inevitable face off. Also, only remnants of furnishings and no firearms.
On a scale of one to ten, one being “a snowflake’s chance in Hell” and ten being “I’m not trapped in here with you. You’re trapped in here with me!”, how would you fare?
If you and your best friend were unarmed and trapped in a building with a single, highly motivated and capable killer, how would you fare?
If you and your best friend were unarmed and trapped in a building with a single, highly motivated and capable killer, how would you fare?
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If you and your best friend were unarmed and trapped in a building with a single, highly motivated and capable killer, how would you fare?
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