Despite what they tell you at the tavern, there is no Mummy’s Curse.
Maybe there’s the risk of exposure to deadly mold, but you just wore a breathing mask to avoid that particular hazard.
Simple.
The bodies are long dead, and their spirits have moved on.
Your only concern should be the authorities. They look unkindly upon grave robbers and have been known to torture then to death.
Thank goodness I found you.
I’ll just steal it from you, but contrary to popular wisdom, I do have honor.
You can cut through your bonds in an hour with your knife.