A superhuman is a person who is able to do things that are beyond the abilities of most humans. Superhumans can be very powerful, and they often have special skills.
An encampment is a group of people who are living in a temporary location. They might be living in a city, but they might also be living in a rural area.
A hilltop is a high point on a hill. The top of a hill is usually flat, and there is usually a lot of vegetation on it.
When something is forestalled, it's prevented from happening. Usually, this is because someone has prevented it from happening.
To excavate is to dig down into the ground. Sometimes you excavate for the purpose of finding something valuable, like treasure. Other times you excavate for the purpose of building something new, like a road.
To thrive is to do well, to be successful. When a plant or animal thrives, it is able to grow and survive in difficult conditions.
Charred means to burn very badly. When the building was burned down, the firefighters were charred.
Arrowheads are pieces of stone or metal that have been shaped into points. They are often found at archaeological sites, and they are often used to hunt animals.
Fortification is the process of building or reinforcing defenses. When there is a threat of war, the government may build walls and other defenses to protect the people.