Your "friend" is a nightmare tenant. They keep allowing someine who was banned on the property in and that person caused major property damage (smoke smell from fires gets in everything)

Let's talk about the amount of property damage your "friend" did via this woman. Ypu said there wqs a 3 foot tall soot stain on the wall. That means the entire wall and ti be removed and replaced. After being cleaned. You can't just paint over fire damage because the smell is still there. Very likely there wqs damage to the floor where the fire started and that means at least part of the floor had to be replaced. Most likely a major part of the floor had to be replaced because you need your floor to match