In theory, such things seemed impossible in this modern era of peace. Among martial artists, the rule was simple: strength justified everything. If someone with a bulletproof body and monstrous power caught wind of a treasure like this sitting unguarded, they would not hesitate.
Telling them to 'stay calm' or 'do the right thing' would only earn you a laugh and maybe a punch to the face. Then, relying on their martial prowess, they would simply kill the person, take the treasure, and disappear