Fantastical is a word that is often used to describe things that are too good to be true. When people talk about fantastical stories, they are usually talking about stories that are not actually true.
To intertwine something is to link it together so that it is no longer separate. When you intertwine your fingers, you are demonstrating the idea that the two things are now one.
When someone is reincarnated, they believe that they will be reborn again. This time, they hope, they will be reborn as someone else.
Forebears are the people who are related to you on your father's side. This means that your forebears include your father, his father, and so on.
Skirmishes are small fights that happen between two groups of people. They can happen anywhere, at any time.
To massacre is to kill a large number of people. This might be done intentionally or it might be done because it's the only way to stop the enemy from attacking.
An autocrat is a ruler or leader who is not elected by the people. They usually have very little freedom, and they are usually not allowed to criticize the government or their leaders.
Omnipresent means that something is everywhere. The sun is omnipresent, which means that it is always present in the sky.
Fatalism is the belief that one's fate is predetermined, and that there is nothing that can be done to change it. Fatalism can lead to a sense of resignation or hopelessness.